Yard sales, thrift stores, especially GoodWill if there’s one near you might have some good stuff for inexpensive. I don’t like buying everything brand new if I know I’ll only use it for a couple years or won’t like it after college, so I go that route. Also, most college beds are Twin XL, not full, so if that’s the case for you, I would look into those sheets instead of full since they’re slightly different. Annoying af, but hopefully that helps 🫶