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> £100k/year Well first off £100 != $100 != €100 Sorry but you're completely delusional if you think literally "anyone on a programmer's salary" can make 1 million in 10 years. I'm not saying it doesn't happen, I'm not saying you didn't do it, I'm just saying it's not "accessible", nor the norm, nor representative of the vast majority of devs. https://www.levels.fyi/heatmap/europe/ The median software engineer salary…
That said I'm not sure I'd recommend it. It can pay off for some, but the future is unknown. I've been to funerals for several people who didn't live to 65. Your body starts declining as you get older so a lot of active things really need to be done young if you do them at all. Maxing a 401k seems like a good plan and then spend the rest today - you should still have a nice retirement if you live that long, but you can enjoy life now.
If you don't like the above, religion offers an afterlife if you choose the right one. However they agree choosing the wrong one won't... Good luck choosing.