The perils of trading bots are explained in it. The author himself runs one for a long time. [2]
In particular, the greatest risks are overtrading (so you get eaten up by fees), and overexposure (so you get eaten up by volatility).
[1] - https://www.systematicmoney.org/systematic-trading
[2] - https://qoppac.blogspot.com/2021/04/trading-and-investing-pe...