Seconding this, and even if its a supposed stable profession don’t depend on it, I’ve seen too many tradesmen working retail and doctors that fail to start residency.
I’d add on learn as many skills as you can, especially basic cooking and repair (car, home, gadgets, etc), it will save you time and money. Home cooked is cheaper than eating out and if you can make meals in advance and freeze them it will save time.
Self hosted retro private EQemu, I also use the server for Jellyfin, just for music.
I used to use it to control my window AC from work too, but sadly the smart plug I use for that died over the winter, was nice to pair with those tuya-alternative through http since my cheapo phone needs to save all the storage it can. Its on a very old rig, so I’m always impressed that it still works.