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In my experience this is pretty bad advice for a lot of people. Starting a business is 1) almost always more time consuming and stress-inducing than working a normal job, 2) tends to end up being 20% the stuff you enjoy doing and 80% the stuff you don't, and 3) has an incredibly high chance of being really bad for you financially. A potentially better solution several of my friends have pursued to good effect is to g…
It isn't necessarily more stressful and time-consuming. The point isn't to "start a business", it's to carefully engineer a viable business - which means doing solid research on customer numbers and income/profit estimates, creating a system for acquiring customers, and so on. Basically an adult plan. Not am impulse or hobby business. And that includes setting work limits for yourself, so you don't become the cliched…
It's possible to run a low-stress lifestyle business, but I would say it's not the norm and tends to be fragile unless we're talking something like lone wolf 1099 contractor self-employed without significant family obligations.