hand 1: In a 3-way pot I call this down. There is "slowplay risk" and I don't even have TP.. depends on your opponents though, if they don't slowplay often then I raise too. The main benefit from calling is that you can extract value from weaker hands that you would have folded out with a raise/bet on the flop.

hand 2: it seems a bit inconsistent.. do you think you're ahead or not? If you think that, raise the turn again. If not, why value bet the river?

hand 3: weird line by villain to bet half the pot after being raised on the turn?! I'd say raise but I can't blame you for calling, I think I'd call too just to be on the safe side here.

hand 4: I'd push the flop after SB's raise. If one of em has 33 then pray for your 4 outs.