to OP , I am still confused why every bookmaker limiting you(if not being banned) do you have a good strategy? or a questionable one that sites are giving you this limits?
Op there might be various reasons for getting your account limited. The new changes in casinos terms and conditions, where non verified users will have certain limits, or they might have level wise verification with different limits for the players. Moreover each sportsbook track all their players, so if you are playing frequently in lower leagues and winning in most of the matches, then also they will be limiting you for their security issue. This is basically normal to avoid draining out of the casino’s bankroll. You shouldn’t complain and don’t join any new sportsbook for greed, as these new sportsbook can anytime block your account with funds, and you can’t blame others also.