When we bought our camper secondhand, it came with a few “extras.” Things like splattered spaghetti sauce on the ceiling. Squished cookie crumbs under bunk mattresses. A sofa that dipped. And a queen mattress with a small canyon in the middle. So we scrubbed off the sauce stains, sucked up the cookie crumbs, swapped out the sofa, and slapped down a mattress pad. And it