Yeah, it's closer to 1.5x. Most companies budget total comp at 150% of salary.
Being a subject matter expert means that you can be paid well for your work, but the numbers of jobs that require expertise in the Kura-Aras river basin can be few are far between.
I always used 2x, but probably 2.5x is a sensible way to think about it in a patio11 "charge more than you think you should" mold.
This is less true following the Affordable Care Act than it used to be. The unsubsidised marketplace rate for my Kaiser health insurance seems fairly close to what I pay for COBRA from my former big tech employer.
My Kaiser almost doubled from COBRA and coverage went from better-than-platinum to high deductible gold.
Google / SF market.
Age makes a huge difference to the marketplace premiums though.