Pre-Purchase Checklist: Red Flags, License Terms & Benchmarks

Published August 17, 2025By VertexMods

Before buying a FiveM script, check for red flags, decode license terms, predict performance, and compare refund policies. Avoid wasted money and downtime.

Pre-Purchase Checklist: Red Flags, License Terms & Benchmarks

Introduction to If you buy the wrong FiveM script, you won’t just

If you buy the wrong FiveM script, you won’t just waste money—you’ll inherit downtime, chargebacks, FPS complaints, and a support burden. Use this page as your pre-purchase gate: audit the vendor, decode the license, predict performance, and compare refund/update terms before you spend a cent.

This guide is part of our comprehensive FiveM scripts resource, where you'll find all our script recommendations, framework comparisons, and buying guides.

Related reading (open in new tabs):

How to Evaluate, Test, and Maintain FiveM Scripts — pillar process for sandboxing, CI, and long-term upkeep: https://vertexmods.com/blog/maintain-fivem-scripts
FiveM Asset Escrow: Limits, Myths, and Workarounds — what you can/can’t do when code is locked: https://vertexmods.com/blog/pre-purchase-checklist

TL;DR — Quick Pre-Purchase Checklist

Vendor & Reputation

Legal entity listed (name, country, registration or VAT).
Active support (Discord/ticket/email) with response time < 24h.
Public changelog; last update < 60 days.
No unresolved scam/leak threads tied to the seller.

License & Policy

Commercial use and multi-admin use allowed on your server.
Refund window (≥ 7 days) with objective criteria.
Update policy (lifetime or clear major/minor rules).
FiveM Asset Escrow terms documented; performance-critical parts editable.
No hidden telemetry / remote code execution without signatures.

Performance & Compatibility

Resmon avg < 0.10 ms, p99 < 0.50 ms under expected load.
No DB N+1; key queries indexed; timeouts handled.
Framework support stated (ESX/QBCore/QBOX) and artifact/version range.
No heavy global event handlers, no tight while true loops.

1) Vendor Due Diligence (Red Flags vs. Green Flags)

Green flags

Green flags

Registered business, VAT/Tax ID, country visible on storefront.
Public changelog and issue tracker; frequent small updates > rare big ones.
Clear product boundaries (compatible frameworks, server build tested).
Support SLAs: first response <24h, bugfix ETA policy, security patch policy.

Red flags

New store, no identity, only DMs for support.
“No refunds ever” + no demo and no test server.
“Lifetime updates” claim but no changelog or recent commit history.
Reputation tied to leaks, bans, or mass DMCA disputes.

By the way: If a script is open source, it’s mostly high quality.

Vendor Audit Template (copy/paste)

Field

Value

Vendor name

Storefront URL

Discord/Support URL

Legal entity / Reg No. / VAT

Country

Age of store (months)

Average response time

Update cadence (days)

Public changelog URL

Price / Payment methods

Dependencies (ESX/QBCore/etc.)

Server build tested

Refund policy summary

Warranty / SLA

Risk notes

JSON schema (drop into your tracker):

"vendorName": "", "storeUrl": "", "support": { "discord": "", "email": "", "slaHours": 24 }, "legal": { "entity": "", "regNo": "", "taxId": "", "country": "" }, "reputation": { "disputesOpen": 0, "notes": "" }, "changelogUrl": "", "updateCadenceDays": 30, "product": { "priceEUR": 0,

    "dependencies": ["ESX", "ox_lib"],
    "artifactTested": ">= 6148",
    "frameworks": ["ESX", "QBCore"]
  },

"policies": { lua

    "refund": { "windowDays": 7, "conditions": ["not as described", "critical bug"] },
    "updates": "lifetime",
```lua
```lua
    "escrow": { "enabled": true, "editableFiles": ["config.lua"] }
  },
  "riskScore": 0,
  "notes": ""
```lua
```lua
}

* * *

## 2) License Clause Cheat-Sheet (Decode Before You Buy)

Clause

What good looks like

Red flags

**Scope of Use**

Commercial use on buyer-owned servers; unlimited players

“Personal use only,” per-IP lock, vague “non-commercial”

**Seats/Instances**

Per server/org with offline mode if DRM

Per-CPU/machine DRM, breaks on host migration

**Modifications**

Config edits allowed; source edits where escrow isn’t required

“No edits at all; edits void support”

**Asset Escrow**

Clear list of **unencrypted** files; performance-critical parts editable; fallback path

Everything locked; remote checks; no method to tune performance — see **[Asset Escrow](https://vertexmods.com/blog/pre-purchase-checklist)**

**Updates**

Lifetime or versioned policy spelled out (e.g., v1.x free)

“At-will” paid updates; no security patch commitment

**Refunds**

≥ 7-day window; objective criteria; process documented

Blanket “no refunds,” no demo/test server

**Telemetry**

Opt-in, purposes & data categories listed, toggle in config

Hidden telemetry, device fingerprinting, outbound on start

**Liability/Warranty**

Bug/security warranty period; best-effort SLA

Full disclaimer, terminate anytime, no recourse

**Termination**

Notice + cure period

Immediate termination at sole discretion

## Tip: If escrow is used, confirm which Lua/NUI files

**Tip:** If escrow is used, confirm **which Lua/NUI files remain editable** (configs, translations, performance-critical loops) and whether the vendor provides **profiling advice**. If not, add points to the risk score.

* * *

## 3) Refund & Updates Policy — Comparison Worksheet

**What to capture**

*   **Refund window & conditions:** objective testability (“not as described”, reproducible critical bug).
*   **Update policy:** lifetime vs. major vs. minor; paid upgrades; security patches guaranteed.
*   **Transferability:** can you transfer the license if you sell the server?
*   **Auto-updates:** delivery mechanism and rollback plan.

Vendor

Refund window

Conditions

Request method

Update policy

Paid upgrades?

Security patch policy

Transfers allowed?

Notes

* * *

## 4) Performance Risk Model (Decide Before You Commit)

**Acceptance targets**

*   **Server CPU (resmon avg):** &lt; **0.10 ms** idle & typical use; **p99 &lt; 0.50 ms** under burst.
*   **Client FPS delta:** baseline vs. with resource **≥ −5 FPS** on mid-tier GPU.
*   **DB discipline:** no N+1; indexing on foreign keys; **timeouts handled**.
*   **NUI:** input→paint &lt; **100 ms**; no blocking `fetch` loops.
*   **Tick safety:** no heavy work on global events; avoid `while true do` busy-waits; use timers.

**Evidence to request from vendor**

*   Short **resmon** video/screens under scripted scenarios (idle, 8 players doing the [core](https://vertexmods.com/brand/core/ "Core") action).
*   **Explain/Analyze** for heaviest queries; show index plan.
*   NUI performance capture (DevTools Performance panel).
*   Config toggles that lower draw calls or network spam.

* * *

## 5) Security & Compliance (Don’t Import a Backdoor)

## Require: No remote code execution / loadstring

**Require:**

*   No remote code execution / `loadstring` from HTTP without **signature verification**.
*   No hidden analytics or device fingerprinting (opt-in only, clear data categories).
*   Clear [handling](https://vertexmods.com/blog/how-to-change-vehicle-handling "FiveM Vehicle Handling Editor") for keys/activation in offline mode.
*   No credential collection; no Discord token harvesting; no “anti-leak” that acts like malware.

**Red flags:** binary blobs with network calls, obfuscated HTTP endpoints, “phone-home” on start, or “anti-leak” that bans staff/admin IPs.

* * *

## 6) Price & ROI (Total Cost of Ownership)

**TCO formula (rough):**  
`TCO = Price + (Paid updates over 12 months) + (Dependency licenses) + (Staff time to integrate & tune) + (Expected downtime cost)`

If TCO > alternative’s TCO by 30% with equal features/perf, don’t buy.

* * *

## 7) Decision Framework (Pass/Fail + Risk Score)

**Hard fails (auto-reject)**

*   No refund window **and** no demo/test server.
*   Hidden telemetry or remote code without signatures.
*   Last update > 6 months ago for mission-critical resources.

**Risk score (0–100, lower is better)**  
Score each axis 0–20, sum:

1.  Vendor & Reputation
2.  License & Policies
3.  Performance & DB discipline
4.  Security posture
5.  Compatibility & Maintenance

> **Go/No-Go rule:** Only buy if **score ≤ 40** and **no hard fails**.

* * *

## 8) Print-Ready Checklists & Worksheets

You can work directly from the tables above, or download the structured workbook (multiple sheets: **Checklist**, **Vendor Audit**, **License Clauses**, **Refund\_Updates**, **Performance Risks**):

[fivemx-prepurchase-checklist](https://cdn.vertexmods.com/wp-content/uploads/2025/08/fivemx-prepurchase-checklist.xlsx)[Download](https://cdn.vertexmods.com/wp-content/uploads/2025/08/fivemx-prepurchase-checklist.xlsx)

## Use it to compare vendors side-by-side and keep

Use it to compare vendors side-by-side and keep evidence links (screenshots, test clips).

* * *

## 9) How to Validate Claims After Purchase

*   Follow the end-to-end testing flow in **[How to Evaluate, Test, and Maintain FiveM Scripts](https://vertexmods.com/blog/maintain-fivem-scripts)** — spin up a **Test City** sandbox, capture baseline vs. resource metrics, and keep a changelog.
*   If escrow blocks reasonable tuning, revisit your risk score and see **[FiveM Asset Escrow](https://vertexmods.com/blog/pre-purchase-checklist)** for safe workarounds.

* * *

## Appendix A — Copy/Paste “Pre-Purchase Checklist” (compact)

\- \[ \] Vendor identity verified (legal name, country, VAT/reg no.)
- \[ \] Active support & SLA (&lt;24h first response)
- \[ \] Public changelog; last update &lt;60 days
- \[ \] Clear frameworks & artifact versions supported
- \[ \] License: commercial use allowed; instances clarified
- \[ \] License: modifications allowed (config + perf-critical areas)
- \[ \] Asset Escrow terms documented (editable files listed)
- \[ \] Refund window ≥7 days with objective criteria
- \[ \] Update policy defined (lifetime/major/minor), security patches guaranteed
- \[ \] No hidden telemetry; no remote code without signatures
- \[ \] Resmon avg &lt;0.10 ms; p99 &lt;0.50 ms
- \[ \] No DB N+1; indexes on FKs; timeouts handled
- \[ \] NUI input→paint &lt;100 ms; no blocking loops
- \[ \] No heavy global handlers; no hot \`while true\` loops
- \[ \] TCO within 30% of best alternative

* * *

## Appendix B — License Clause Review (fill-in)

| Clause | OK? | Notes |
| --- | --- | --- |
| Commercial use allowed |  |  |
| Seats/instances clear |  |  |
| Modifications allowed |  |  |
| Asset Escrow scope clear |  |  |
| Refund window & process |  |  |
| Update policy & security patches |  |  |
| Telemetry opt-in only |  |  |
| Liability/Warranty stated |  |  |
| Termination with cure period |  |  |

* * *

## Ship it: Run the checklist, assign the risk score,

**Ship it:** Run the checklist, assign the risk score, and only proceed if it passes. If anything feels hand-wavy, it’s a **no**.

## Bonus: Trusted Tebex Shops

> [The Best Tebex Shops for FiveM](https://vertexmods.com/blog/best-tebex-shops)

alt:V Shuts Down: What It Means for FiveM & Your Server

alt:V is shutting down in July 2026 after a Rockstar cease and desist. Learn what this means for FiveM, how to migrate your server, and why FiveM is now the only option for GTA 5 multiplayer modding.

March 4, 2026

Best FiveM Anticheat Scripts 2026: Free & Paid Protection Compared

Cheaters are the single biggest threat to any FiveM server. This guide breaks down how anticheat detection works, compares the top paid and free solutions, and helps you choose the right protection for your server size.

March 4, 2026

Best FiveM CAD, MDT & Dispatch Systems 2026: Complete Guide

A comprehensive guide to the best FiveM CAD, MDT, and dispatch systems in 2026 — covering standalone web CAD platforms, in-game scripts, pricing, and which combination works best for your server type.

March 4, 2026

Pre-Purchase Checklist: Red Flags, License Terms & Benchmarks

Published August 17, 2025By VertexMods

Before buying a FiveM script, check for red flags, decode license terms, predict performance, and compare refund policies. Avoid wasted money and downtime.

Introduction to If you buy the wrong FiveM script, you won’t just

This guide is part of our comprehensive FiveM scripts resource, where you'll find all our script recommendations, framework comparisons, and buying guides.

Related reading (open in new tabs):

How to Evaluate, Test, and Maintain FiveM Scripts — pillar process for sandboxing, CI, and long-term upkeep: https://vertexmods.com/blog/maintain-fivem-scripts
FiveM Asset Escrow: Limits, Myths, and Workarounds — what you can/can’t do when code is locked: https://vertexmods.com/blog/pre-purchase-checklist

TL;DR — Quick Pre-Purchase Checklist

Vendor & Reputation

Legal entity listed (name, country, registration or VAT).
Active support (Discord/ticket/email) with response time < 24h.
Public changelog; last update < 60 days.
No unresolved scam/leak threads tied to the seller.

License & Policy

Commercial use and multi-admin use allowed on your server.
Refund window (≥ 7 days) with objective criteria.
Update policy (lifetime or clear major/minor rules).
FiveM Asset Escrow terms documented; performance-critical parts editable.
No hidden telemetry / remote code execution without signatures.

Performance & Compatibility

Resmon avg < 0.10 ms, p99 < 0.50 ms under expected load.
No DB N+1; key queries indexed; timeouts handled.
Framework support stated (ESX/QBCore/QBOX) and artifact/version range.
No heavy global event handlers, no tight while true loops.

1) Vendor Due Diligence (Red Flags vs. Green Flags)

Green flags

Green flags

Registered business, VAT/Tax ID, country visible on storefront.
Public changelog and issue tracker; frequent small updates > rare big ones.
Clear product boundaries (compatible frameworks, server build tested).
Support SLAs: first response <24h, bugfix ETA policy, security patch policy.

Red flags

New store, no identity, only DMs for support.
“No refunds ever” + no demo and no test server.
“Lifetime updates” claim but no changelog or recent commit history.
Reputation tied to leaks, bans, or mass DMCA disputes.

By the way: If a script is open source, it’s mostly high quality.

Vendor Audit Template (copy/paste)

Field

Value

Vendor name

Storefront URL

Discord/Support URL

Legal entity / Reg No. / VAT

Country

Age of store (months)

Average response time

Update cadence (days)

Public changelog URL

Price / Payment methods

Dependencies (ESX/QBCore/etc.)

Server build tested

Refund policy summary

Warranty / SLA

Risk notes

JSON schema (drop into your tracker):

    "dependencies": ["ESX", "ox_lib"],
    "artifactTested": ">= 6148",
    "frameworks": ["ESX", "QBCore"]
  },

"policies": { lua

    "refund": { "windowDays": 7, "conditions": ["not as described", "critical bug"] },
    "updates": "lifetime",
```lua
```lua
    "escrow": { "enabled": true, "editableFiles": ["config.lua"] }
  },
  "riskScore": 0,
  "notes": ""
```lua
```lua
}

* * *

## 2) License Clause Cheat-Sheet (Decode Before You Buy)

Clause

What good looks like

Red flags

**Scope of Use**

Commercial use on buyer-owned servers; unlimited players

“Personal use only,” per-IP lock, vague “non-commercial”

**Seats/Instances**

Per server/org with offline mode if DRM

Per-CPU/machine DRM, breaks on host migration

**Modifications**

Config edits allowed; source edits where escrow isn’t required

“No edits at all; edits void support”

**Asset Escrow**

Clear list of **unencrypted** files; performance-critical parts editable; fallback path

Everything locked; remote checks; no method to tune performance — see **[Asset Escrow](https://vertexmods.com/blog/pre-purchase-checklist)**

**Updates**

Lifetime or versioned policy spelled out (e.g., v1.x free)

“At-will” paid updates; no security patch commitment

**Refunds**

≥ 7-day window; objective criteria; process documented

Blanket “no refunds,” no demo/test server

**Telemetry**

Opt-in, purposes & data categories listed, toggle in config

Hidden telemetry, device fingerprinting, outbound on start

**Liability/Warranty**

Bug/security warranty period; best-effort SLA

Full disclaimer, terminate anytime, no recourse

**Termination**

Notice + cure period

Immediate termination at sole discretion

## Tip: If escrow is used, confirm which Lua/NUI files

**Tip:** If escrow is used, confirm **which Lua/NUI files remain editable** (configs, translations, performance-critical loops) and whether the vendor provides **profiling advice**. If not, add points to the risk score.

* * *

## 3) Refund & Updates Policy — Comparison Worksheet

**What to capture**

*   **Refund window & conditions:** objective testability (“not as described”, reproducible critical bug).
*   **Update policy:** lifetime vs. major vs. minor; paid upgrades; security patches guaranteed.
*   **Transferability:** can you transfer the license if you sell the server?
*   **Auto-updates:** delivery mechanism and rollback plan.

Vendor

Refund window

Conditions

Request method

Update policy

Paid upgrades?

Security patch policy

Transfers allowed?

Notes

* * *

## 4) Performance Risk Model (Decide Before You Commit)

**Acceptance targets**

*   **Server CPU (resmon avg):** &lt; **0.10 ms** idle & typical use; **p99 &lt; 0.50 ms** under burst.
*   **Client FPS delta:** baseline vs. with resource **≥ −5 FPS** on mid-tier GPU.
*   **DB discipline:** no N+1; indexing on foreign keys; **timeouts handled**.
*   **NUI:** input→paint &lt; **100 ms**; no blocking `fetch` loops.
*   **Tick safety:** no heavy work on global events; avoid `while true do` busy-waits; use timers.

**Evidence to request from vendor**

*   Short **resmon** video/screens under scripted scenarios (idle, 8 players doing the [core](https://vertexmods.com/brand/core/ "Core") action).
*   **Explain/Analyze** for heaviest queries; show index plan.
*   NUI performance capture (DevTools Performance panel).
*   Config toggles that lower draw calls or network spam.

* * *

## 5) Security & Compliance (Don’t Import a Backdoor)

## Require: No remote code execution / loadstring

**Require:**

*   No remote code execution / `loadstring` from HTTP without **signature verification**.
*   No hidden analytics or device fingerprinting (opt-in only, clear data categories).
*   Clear [handling](https://vertexmods.com/blog/how-to-change-vehicle-handling "FiveM Vehicle Handling Editor") for keys/activation in offline mode.
*   No credential collection; no Discord token harvesting; no “anti-leak” that acts like malware.

**Red flags:** binary blobs with network calls, obfuscated HTTP endpoints, “phone-home” on start, or “anti-leak” that bans staff/admin IPs.

* * *

## 6) Price & ROI (Total Cost of Ownership)

**TCO formula (rough):**  
`TCO = Price + (Paid updates over 12 months) + (Dependency licenses) + (Staff time to integrate & tune) + (Expected downtime cost)`

If TCO > alternative’s TCO by 30% with equal features/perf, don’t buy.

* * *

## 7) Decision Framework (Pass/Fail + Risk Score)

**Hard fails (auto-reject)**

*   No refund window **and** no demo/test server.
*   Hidden telemetry or remote code without signatures.
*   Last update > 6 months ago for mission-critical resources.

**Risk score (0–100, lower is better)**  
Score each axis 0–20, sum:

1.  Vendor & Reputation
2.  License & Policies
3.  Performance & DB discipline
4.  Security posture
5.  Compatibility & Maintenance

> **Go/No-Go rule:** Only buy if **score ≤ 40** and **no hard fails**.

* * *

## 8) Print-Ready Checklists & Worksheets

You can work directly from the tables above, or download the structured workbook (multiple sheets: **Checklist**, **Vendor Audit**, **License Clauses**, **Refund\_Updates**, **Performance Risks**):

[fivemx-prepurchase-checklist](https://cdn.vertexmods.com/wp-content/uploads/2025/08/fivemx-prepurchase-checklist.xlsx)[Download](https://cdn.vertexmods.com/wp-content/uploads/2025/08/fivemx-prepurchase-checklist.xlsx)

## Use it to compare vendors side-by-side and keep

Use it to compare vendors side-by-side and keep evidence links (screenshots, test clips).

* * *

## 9) How to Validate Claims After Purchase

*   Follow the end-to-end testing flow in **[How to Evaluate, Test, and Maintain FiveM Scripts](https://vertexmods.com/blog/maintain-fivem-scripts)** — spin up a **Test City** sandbox, capture baseline vs. resource metrics, and keep a changelog.
*   If escrow blocks reasonable tuning, revisit your risk score and see **[FiveM Asset Escrow](https://vertexmods.com/blog/pre-purchase-checklist)** for safe workarounds.

* * *

## Appendix A — Copy/Paste “Pre-Purchase Checklist” (compact)

\- \[ \] Vendor identity verified (legal name, country, VAT/reg no.)
- \[ \] Active support & SLA (&lt;24h first response)
- \[ \] Public changelog; last update &lt;60 days
- \[ \] Clear frameworks & artifact versions supported
- \[ \] License: commercial use allowed; instances clarified
- \[ \] License: modifications allowed (config + perf-critical areas)
- \[ \] Asset Escrow terms documented (editable files listed)
- \[ \] Refund window ≥7 days with objective criteria
- \[ \] Update policy defined (lifetime/major/minor), security patches guaranteed
- \[ \] No hidden telemetry; no remote code without signatures
- \[ \] Resmon avg &lt;0.10 ms; p99 &lt;0.50 ms
- \[ \] No DB N+1; indexes on FKs; timeouts handled
- \[ \] NUI input→paint &lt;100 ms; no blocking loops
- \[ \] No heavy global handlers; no hot \`while true\` loops
- \[ \] TCO within 30% of best alternative

* * *

## Appendix B — License Clause Review (fill-in)

| Clause | OK? | Notes |
| --- | --- | --- |
| Commercial use allowed |  |  |
| Seats/instances clear |  |  |
| Modifications allowed |  |  |
| Asset Escrow scope clear |  |  |
| Refund window & process |  |  |
| Update policy & security patches |  |  |
| Telemetry opt-in only |  |  |
| Liability/Warranty stated |  |  |
| Termination with cure period |  |  |

* * *

## Ship it: Run the checklist, assign the risk score,

**Ship it:** Run the checklist, assign the risk score, and only proceed if it passes. If anything feels hand-wavy, it’s a **no**.

## Bonus: Trusted Tebex Shops

> [The Best Tebex Shops for FiveM](https://vertexmods.com/blog/best-tebex-shops)

Premium Scripts You Might Like

alt:V Shuts Down: What It Means for FiveM & Your Server

alt:V is shutting down in July 2026 after a Rockstar cease and desist. Learn what this means for FiveM, how to migrate your server, and why FiveM is now the only option for GTA 5 multiplayer modding.

March 4, 2026

Best FiveM Anticheat Scripts 2026: Free & Paid Protection Compared

March 4, 2026

Best FiveM CAD, MDT & Dispatch Systems 2026: Complete Guide

March 4, 2026

Pre-Purchase Checklist: Red Flags, License Terms & Benchmarks

Introduction to If you buy the wrong FiveM script, you won’t just

TL;DR — Quick Pre-Purchase Checklist

1) Vendor Due Diligence (Red Flags vs. Green Flags)

Green flags

Vendor Audit Template (copy/paste)

Related Articles

alt:V Shuts Down: What It Means for FiveM & Your Server

Best FiveM Anticheat Scripts 2026: Free & Paid Protection Compared

Best FiveM CAD, MDT & Dispatch Systems 2026: Complete Guide

Pre-Purchase Checklist: Red Flags, License Terms & Benchmarks

Introduction to If you buy the wrong FiveM script, you won’t just

TL;DR — Quick Pre-Purchase Checklist

1) Vendor Due Diligence (Red Flags vs. Green Flags)

Green flags

Vendor Audit Template (copy/paste)

Premium Scripts You Might Like

Related Articles

alt:V Shuts Down: What It Means for FiveM & Your Server

Best FiveM Anticheat Scripts 2026: Free & Paid Protection Compared

Best FiveM CAD, MDT & Dispatch Systems 2026: Complete Guide

Premium Scripts You Might Like