At this point just get an external with bit locker as save all your backups. Thats a start. Then redundant storage.

I’m grabbing some easystores now.

Work on your NAS immediately after.

I do like the idea of having 2x2bay Synology NAS so I can do replication. It covers many use-cases without being too complicated.

Get rid of the roommate she’s an OP 🤣

I pay very little rent here, I’ll call it a cost of doing life business :-)