1. I've seen ppl just call 2 pf w/ JJ or even AA which is my way of saying that at some point I've got to trust the money if the other player isn't an idiot and stop at 6 for sure. Might go 5 on the turn if it's favorable. However, that's 8-16, well below your level so there's that.
2. 7, nm AI? Wut? Even a blind squirrel, etc, etc.
3. I don't even bet the flop and hope that I get to see the turn for 1 bet, sheesh!
4. In practice I vomit in my mouth, call the 3! and hate my life for the 15-20 seconds it takes to c/c the turn and river.
I hope I get to see what actually happened bec I want to grade myself.