Buy a new N100 microPC with 32GB RAM and m.2 drive, Sabrent 5-bay USB_3 DAS, a couple 10TB drives. Easy low-power single box home server with room to expand. You also could add a good switch and box of Cat8 (cable always > WiFi)
Spend the rest on another hobby!
Home Assistant.
Buy a new N100 microPC with 32GB RAM and m.2 drive, Sabrent 5-bay USB_3 DAS, a couple 10TB drives. Easy low-power single box home server with room to expand. You also could add a good switch and box of Cat8 (cable always > WiFi)
Spend the rest on another hobby!