: Inspect the roof for cracked or pulling-away caulking and seals around vents and windows. Replacing a roof membrane can cost upwards of $12,000 .
: Examine the underside of slide-outs for rot or torn protective material (Darco).
What should I look for when buying a used camper? - Facebook
Always request a full demonstration of all systems before finalizing the sale.
: Check interior corners, ceilings, and walls for soft spots, discoloration, or a "crunchy" texture. Look inside cabinets and under sinks for ripples or musty smells.
The most common and expensive issue in used campers is water damage.