And if you are able to make winnings on large amount of bets, you are very likely to be banned by Stake.
I'm wondering why you are thinking it in this way! No reputable casino will ban your account if you win on your large bets. They will only ban you if you do it by cheating. Stake or any other casino will lock your account if you continuously win on big bets with suspicious activity. They will unlock your account if your winnings are legit.
35 days has been passed since the previous monthly bonus time. I have wagered $390k+ within this 35 days. Does anyone know when the September monthly bonus will be released?