> ## Documentation Index
> Fetch the complete documentation index at: https://bundlezeus.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Test Your Launch Before Spending

> A free practice run that shows exactly what would happen — catching problems before they cost you anything.

The test run is a free dress rehearsal. BundleZeus runs your exact launch against the live blockchain — without actually sending anything — and shows you precisely what would happen.

## Why you should never skip it

A launch is all-or-nothing. If one required step would fail, the whole thing is cancelled and your launch doesn't happen. The test run catches that **beforehand**, and it's free — run it as many times as you like.

## What it checks

Your launch is replayed step by step, in order:

1. Funding your wallets
2. Turning on trading
3. Every wallet's buy, one by one
4. The fee

You get a simple report: each step marked **pass** or **fail**, the total gas cost, and — when something fails — a plain explanation of what's likely wrong and how to fix it.

## Reading the results

| Result             | What it means                                                                | What to do                                                                                |
| ------------------ | ---------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------- |
| All green          | Everything would work as set up                                              | You're ready to launch                                                                    |
| A setup step fails | Funding or turning on trading would break                                    | Fix the flagged problem (usually permissions or contract settings) and test again         |
| Some buys fail     | Those wallets can't buy — often a per-wallet limit or tax                    | Check the token's limits; BundleZeus may suggest a step to remove them                    |
| All buys fail      | Something is blocking trading — maybe a honeypot, or trading isn't really on | **Don't launch.** Re-check the token with the [honeypot scanner](/tools/honeypot-scanner) |

<Warning>
  If **every buy fails** in the test run, that's a huge red flag. Never ignore the warning and fire anyway — that's how people launch straight into a honeypot.
</Warning>

## Problems the test run catches

* **Trading limits** — caps that block your buys
* **High starting taxes** — a big early tax that eats into your buys
* **Missing permissions** — the owner key can't turn on trading
* **Not enough ETH** — a wallet can't cover its buy plus gas
* **Honeypots** — buying works, but the token blocks selling

## What it can't promise

The test run checks the network **as it is right now**. Things can change between the test and the real launch — prices move, other people use the token. A green test run is a strong sign, not a guarantee. This is another reason the all-or-nothing design matters: if things don't line up, your launch simply doesn't go through, and you pay no fee.

## Next step

<Card title="Launch" icon="rocket" href="/guides/launch-bundle">
  Fire it for real and watch it land.
</Card>