Self employment works really well for lots of people. For some reason, it's become unfashionable in the last decade or so. Probably because successive governments have clearly hated self employed people!
When I started in the 1980s, it was a real boom time for self employment as there were government grants and lots of government support for people to start self employment, more so if they were unemployed.
Over 40 years of working life, I've acted for thousands of small businesses and self employed, and the variety is staggering, as it the enterprise and entreprenneurship of pretty normal people.
Someone upthread said crafts don't make you much money. Well, no, making stuff yourself by hand might not (it can for some), but one of my richest clients did exactly that - started a hand made very small scale craft business, bit of pocket money really, but then started selling surplus supplies on ebay that she had to buy in bulk, and her ebay shop took of, which led to her starting her own e-commerce website with Shopify, which led to her learning internet marketing, etc., and after a few years she sold her highly successful website for a few million - she'd long since stopped making things herself!
That's the thing with self employment - you often end up doing something nothing at all like you started out doing, simply because along the way you meet people (suppliers, customers, attend trade shows, etc), and it broadens your horizons.
Another client, brothers in law were made redundant and set up a wet fish round with a battered old van (all they could afford). A decade later, they sold their food producing company (marinaded meats, sandwich fillings, etc) for a few million. Again, it just morphed from one thing to another over the years.
Self employment really isn't as frightening as people think it is. I started my own accountancy practice 25 years ago. I'd never planned to. I just found myself with time on my hands and just got married and bought a house, so money was tight. So I just started doing a bit of book-keeping "on the side", by advertising in the local newspaper classified columns, made up a trade name and used an unknown mobile phone number so my employers wouldn't know it was me. I got loads of enquiries and went out to visit potential clients, not really sure what to expect. I'd never done selling nor marketing etc. It was absolutely fine, meetings went well, so a few of them signed me up. The biggest problem was finding time to do the work and finding ways of taking "side hustle" phone calls during the working day! It went so well, within a year I'd handed in my notice and took the plunge to go full time self employed with full accountancy services. Never looked back and never regretted it. It was hard at first, long hours, took lots of effort to set up systems, draft pro forma contracts, etc. But after say 2/3 very hard years, it all settled down, and gave me flexibility for childcare, attending school assemblies, etc. Now I'm heading towards retirement and only working around 20 hours per week, which will continue to reduce over the next five years. Not advertised for years, but still get the occasional new client via referral. It's now become a lifestyle business. My only regret is not doing it sooner.
It's a great shame that recent governments clearly hate small businesses and self employment. I really don't understand why. Except perhaps I do, it's because government is in the pocket of big business so ministers and senior civil servants aren't listening to small business and self employed groups anymore. Such a shame as I think a big push for self employment and small business could cure a lot of what is wrong with society and the economy at the moment as it would work brilliantly for lots of disabled people who can't cope with modern workplaces as they'd be able to set their own hours, only take on work they can cope with, pick clients they can work with, work from home as necessary, etc - all without the straight jackets of the traditional workplace and colleagues, etc. A large number of my clients are disabled and self employment really suits them.