1) No. The only way its wrong to pay someone a dollar is if they don't have the right to earn 0 dollars an hour by not working for you.

2) No.

3) No, but if said bus boy spits into a food critic's plate causing you to lose your reputation and your business I'll have zero pity for you.

4) All of it, but if you get shot in the streets by some lefty for being greedy, ill have no sympathy for you.

5) Greed is good!