Well certainly not all but that strategy, if you can pull it off, will probably get you a very high-paying job and maybe you won't have to work so hard. But th

Well certainly not all but that strategy, if you can pull it off, will probably get you a very high-paying job and maybe you won't have to work so hard. But that's not at all what the OP asked for. Maybe they're already making >400K slinging JS at Facebook or Google. Lots of people do!