It's okay to cut people off if they make you miserable. That goes for anyone, even your parents.

If you can, get a crock pot, rice cooker, or instant pot, it'll make your cooking life so much easier. You can prep a bunch of meals then freeze them to pull them out later and cook them whenever you're ready to eat, and it's great not to have to worry about cooking but still get a hot home meal at the end of the day. Also put MSG in everything savory.

Try to fix anything that breaks before you throw it out or replace it. A little bit of googling goes a long way there. There's a youtube video for everything, I've done fan repairs, headphone repairs, auto repairs, toilet repairs, you name it, and I didn't know a thing about any of that stuff to begin with. Just give it a shot, its okay if it doesn't work or you can't do it - at least you tried. The exception is printers, don't spend too long on those devil boxes, go into a printer repair ready to give up on it.

It's almost always better to half-ass something but get it done than to not do it at all.