You guys are f'ing killing me.

Short of railing every game you play, no one can tell you whether those hands are going to be profitable in whichever situation you happen to be in. The line is so thin between raise and fold that if I have a tough decision on another table I tend to break with my usual raise strategy and just fold them.

Renton's guide did a good job of explaining it, and it's been beaten to death again here. The only way to get a concrete answer for yourself is to play 10k hands folding them, 10k hands raising them, and 10k hands limping them and looking at your results. Even then if it's close it's still a toss up. All of our time could be better used analyzing aspects of the game that can have a greater impact on our earn or working on hand histories.