Here is some advice how to find a good betting bot for your requirements.
1. Search google 'betting bots' or 'Betfair bots'.
2. Check first 5-6 sites with bots.
3. Make sure the bot works with betting site you are going to place bets on.
4. Sign up for free trials if available.
5. Contact the developers with an email and see how long it takes them to respond.
6. Run bots for few days in simulation/virtual mode.
7. See if you can get familiar with the bot in a short term.
8. Check prices / subscription fees.
