It looks risky to me. A friends 2003 Bigfoot delaminated on the inside and failed due to hitting pot hole - insurance cashed him out for $10,000 - this was about a year ago - so there's an ball park valuation for you.
When the internal wood to fiberglass frame separates (delaminates) you will see a difference on the interior when the camper is on the truck and when it is on jacks. --- If the frame is damaged the flex will show up as a gap between cabinets or stove on the interior.
You'd need to see it on the truck bed - inspect the interior - and on jacks and really look hard for spaces opening up on the interior.
