> In San Francisco the housing shortage and lack of support for new construction wipes out a lot of gains that come with higher salaries.
You can even see that problem get worse as people leave. Fantastic dev I worked with moved from Seattle back to India. She said that yes, she made more money in Seattle, but cost of living was so low in Bangalore that she effectively made a lot more money there. Coupled with her family being closer, it made perfect sense.