AbigailII:not only are blinds common...but a part of the rules. but I agree on the buy-in. normally its equal to the first bet amount. this prevents folks from sitting in 4 maybe 5 hands...then after not receiving a suitable pocket...just sit out when its their turn to post a blind, only to sit back in after the blinds have passed them.
(hide) If you want to play a game with an opponent of a similar level, you can define a required BKR range for a new game invitation. Then nobody with a BKR outside this range will be able to see/accept it. (Katechka) (show all tips)