Hmmm it seems like what I've been seeing about sportsbet.io is true since you didn't mention them on your list. I have been seeing some people that complained that sportsbet.io never paid them their huge winnings, instead they will block (I only saw a few people that said this). But a lot of review sites I see when I research on Google always mention Sportsbet as one of the best betting sites. Most of them even put them as the number one, while CloudBet is then placed at number two position.