I normally try to avoid tables with a wait > 2, unless I see at least two that I've color coded green (major donator).

I'm looking for about 30% of players seeing the flop, hands per hr > 70 and avg pot size > 0.50 (@ 5NL)

I normally leave if I lose 1.5 BI, the fish leave or my stack > 250bb. I'm thinking of adding a few leaving requirements but I'm also wondering if I should continue to stay at a table when I'm that deep.