'Proper' gamblers use exchanges like Betfair rather than Sportsbooks, where the host takes a rake off the spread with individuals laying against you. The only major issue with this is not being able to do things like place betting accumulators.

FOI in EU means you can get the notes attached to your account - the insights can be staggering, down to friend and family connections with Jockeys or Racing Stables, Sports Personalities or High Net Worth individuals.