Uncomfortable truth about trading bots: the code is the easy part.

What actually kills automated accounts:

The API drops mid-order and you now hold a position you cannot see
The exchange returns a partial fill your logic never handled
Funding quietly accrues on a position you forgot was open
Your VPS reboots and the bot restarts flat while the position is live

None of that appears in a backtest. All of it appears in production. Strategy research is maybe 30% of the work. The other 70% is engineering nobody posts about.

If you run a bot: what broke first for you?

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