Link to it? Kinda hard to judge value based on the little bit of info provided.
Stuff to look for it basically the same as Wranglers. Big rust spots are floorboards, rockers, and hatch floor.
For 2000 you've got the 0331 head casting which is prone to cracking if it overheats due to a casting defect. It's not made of glass like a lot of people act like, but it's something to be aware of. If she's set on a 97+ try to find her a 99.
These new sig limits suck. Thanks a lot Canada.