I dont think of it in terms of + so many $$$. its in BB because i play different limits.. so i like to have +20-40BB before i will leave. If i'm on a huge run and up a few hundred BBs.. then i just keep going.. why waste your stack advantage?? I leave when i either stop playing a winning game or when i have to leave because i need to do something else.

I made one hit and run once.. when i wasnt concerned as to whether i won anything in the session.. i only had about 10 mins. so i went in tripled up on the second hand and left it there.