I wasn't going to post, but I can't think of one good reason to bet zero rather then just bet 10 and fall into the pond at the same time as the lowest bidder. Betting 10 or 0 would give the same result of leaving the first run.
(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)