no limit bankroll question

[Arnett23]

I hope this is the correct place for this post, if it isn't i apologize (i know how it upsets some people a bit). I just curious as to what the recommended bankroll is to play at a certain stakes for no limit hold em. I know 300 bb is generally the accepted requirements for limit, what is the corresponding no limit number. -thanks

[BK_]

between 12 and 20 buyins.

[Arnett23]

thanks

[queenhigh]

how many hands before you know if you're beating the game?

[greywolf]

i usueally know that before i sit down in the game.