Pfft. A basic toolbox doesn't even get you halfway there. Here's why. Because the basic tools are not the keys to the kingdom. The way it works is this. You NEED to familiarize yourself with all the little connectors, fasteners, bolts screws and materials. Hundreds or thousands of them. Got a nice drill? Great. Guess what you better know what masonry bit is, and that you need to use a smaller bit than what you think, cause you're gonna over drill. Have a few plumber wrenches? Cool, too bad you never learned what rubber washers are essential in your bathtub faucet. And your '50s faucet isn't exactly the ones featured on the how-to PDFs online.
Want to hang a shelf? you have NO idea how many types of hanging fasteners there are. From a single penny nail to a $2.50 self-driving metal compression anchor. Then all the reassurance in the world from the guy at the hardware store doesn't mean anything when you get home because your house will be different. When things start crumbling, (and they will) then you went from 1 task to 4. Big mess, wife gets pissed. You want to die.
How do you find studs? Too bad nearly EVERY single stud finder is a mediocre piece of shit. Most people don't even know that to cut a straight line on plywood, you can clamp a long level and use it as a fence. A circular saw is worthless without a good straight edge fence.
Need to do some wall patching? Guess what. The joint compound you see at the store. That's the gimmicky crap that vendors pay for premium end cap space. Get it home and it's shit. The real handymen laugh because they know the real stuff is the powder and its in 50 lb bags, costs 1/20 of what you paid and is found back in the dusty dark corner.
The handyman business is full of tricks the pros have had time to develop and then taken to their graves.
My battery was dead on my motorcycle. The manual that came with it had NO information on what to do. My cycle is a couple years old, but not old enough to have a 3rd party repair manual. Had I hooked up the car charger, I'd have ruined it. I asked the sales guy at the shop... How am I supposed to know this stuff if it's not in the manual. He said, 'well people just know it from working with and owning motorcycles.' For fuck sakes man.
The world of home improvement shows is riddled with holes in the processes. Sure you see a nice polished tutorial that completely glazes over the clean up process or the variance in materials.
I've refinished wood floors in 3 different houses. I've yet to find a proper tutorial on the process that comes close to what I've had to do. They are all missing tons of important detail on how to do the job right. and guess what, google has been completely gamed with bad SEO sites. So the first million results for the home improvement problem you're facing. Guaranteed to be advertising masquerading as help.
Here's my absolute favorite one though. The solvents and other chemicals you buy. There are NO proper methods of disposal for the average person. So then you're stuck with 25 cans of flammable poisonous liquids in your garage for the better part of a decade. You can only hope that you happen to know when the next chemical disposal event happens at your nearby church or community center. Otherwise, you're fucked if you want to legally and safely get rid of the stuff.
So yeah being a weekend handyman. Fun.