An idea that seemed brilliant but fizzled spectacularly. There are a lot of bookmakers around, like 60 decent ones and hundreds of trashy. I wrote a lot of scrapers collecting prices from them, invented an algorithm for automatic name matching (different bookies spell names of same players differently, like R. Federer is same as Roger Federer, or even Russian or Polish spelling of same name etc), so i can compare pri…
Yup betting is "for fun" unless you use A+ bookies like Pinnacle Sports. Also, some bookies have to have a particular price not because of their knowledge of the market, but because of the people that placed bets with them.
In the end what you describe is basically playing an arbitrage (for which there are sites), but these kind of plays get you suspended, which they did. Nice fore trying it out and writing all the parsers. I know how time consuming it is to get all the synonyms, dates and times right to aggregate the information.