Hi,
There's some good tips on here.
BUT if you want to save thousands. Buy a Haynes workshop manual for your car, you can do a full service for about 15quid. Do your own plumbing you can do the whole job for the cost of their call out charge, learn household electrics and repair all you own stuff. I grudge paying someone handsomely for something I can (with a bit of research and effort) do myself. I have
NEVER put a car in a garage for work. Never had someone fix a household appliance. I have installed central heating in my house. Rewired it (and my daughters) For example if I need something welded I bought a welding machine once it's been used a couple of times (I made all the lintels for a house extension) it's paid for itself. I never scrimp on tools and equipment, like I said, once used they are free to use over and over. I've re-roofed two houses, built a barn, built stables, I must admit it's a bit of an obsession of mine to do everything myself, but I do hate to be ripped off and taken for a ride. I suppose I'm obsessively independent. It's probably a condition
I have honestly, literally saved many tens of thousands over the years. If in doubt do it. Get stuck in. Just do plenty of reading first.