(wife works at amazon (but in palo alto) (and is 1 year out of grad school))
a. That salary is not low. If you chose to run a family of 4 on one salary of 160k, it's your choice. It's still quite good.
b. If you discount 30% of the comp because you feel like it, I wonder how many of the 20 other metro areas are going to match up.