If you can convince your employer to write that into your contract, then absolutely. (If you're at the $200k dev salary skill level, you absolutely should be ab

If you can convince your employer to write that into your contract, then absolutely. (If you're at the $200k dev salary skill level, you absolutely should be able to get paid very well as a contractor based on milestones, not for hours, and have a lot more lifestyle flexibility if you're productive) But of course one reason for preferring regular salaried employment instead is actually not being able to accomplish the work in double the time but having a certain amount of skill in persuading people you're just ramping up or other people are holding up your productivity...