Hand 1: Make it $5 to go, call if he shoves and shove any flop if he flats.

Hand 2: I only flop flushes once every 2000 hands, so I never think anyone else ever does, I ship it.

Hand 3: Only bad option I can see is raising, think calling and folding are both fine, you're ahead a fair amount and behind a fair amount, since you only have to be right like 40% of the time I think you can call.

Hand 4: Fist pump call.