I would like a bot that will interface with the Betfair API (hopefully the free version, if possible), and compare the odds on markets (particularly horse racing) with that of other bookmakers' websites (only 2-3). This will probably need to be done by screen scraping, as the the other bookmakers' sites may not have APIs. Once it has collated data from the bookmakers & Betfair, it will then be able to automatically place bets on Betfair based on certain criteria (e.g. number of runners...