Do you know what rules for Bankroll Management that Chris Ferguson followed? That would be essential, plus there are many threads about Bankroll Management here. It would also be important to know what games you're playing. The rules change depending on what game you play. For NL ring games, you should have 30 buyins or $300 to play $.05/$.10. I think limit games are more like 300 big blinds. And if you don't tournaments over cash games, the rules change, too because you'll want a deeper bankroll for MTT's versus SNG.

After you get a handle on Bankroll Management, you just follow the rules, play solid poker, and move up when you have the bankroll to support it.

You'll need to be more specific about what you need help with.