Earlier quoted context omitted.
> Or even if you're not changing track, if you're developer ~20%++ of the track changes on you every year, can you maintain this pace when you're older, maybe with a family, and don't have the time or motivation to learn yet another way of doing for the umpteenth time. For younger people I would recommend keeping a close eye on that situation over the long term and if possible have a plan B if you want to get off the…
> The plan B is always saving enough money to bail early on employment and retiring at 50-55. Or 35-40, which is not that hard in this field. Live like a college student, earn like a professional, and you'll be able to retire pretty quickly. Which doesn't mean you need to retire at that point, but it means you can . See https://networthify.com/calculator/earlyretirement and http://www.mrmoneymustache.com/2012/01/13/t…
Pretty much any major negative event will add a decade and pretty much everyone has at least a one of those. A single one can wipe out years of savings, even at a 50%+ savings rate.
In the real world, you aren't in control of your savings rate for decades on end. No one is. I understand the illusion of that control is appealing but it simply isn't how reality works.
There is a reason the majority of the bankruptcies are from medical issues with 5 figures out of pocket and into the 6 figures when you count lost income.