They stay in gated areas and/or locked in the basement when I’m not home. I also installed security cameras to watch their behavior.

I work in the nuclear power sector (Computer Engineering degree), but there are I&C technicians and maintenance personnel without degrees that make $100k+/yr. Also, operations SRO’s make $100k+/yr with an additional $20k bonus every year. If you’re looking for a good job without a degree, I’d look to the utilities…

Or you can just not let your pets on the bed and in the laundry baskets and vacuum regularly. I really don’t want my cat on the bed after it just took a piss and shit in the litter box, then scooped it around with its feet to bury it.