As they say anything can be fixed - if you have the time, the money and the patience but the biggy is a a place to work on it.
We got our 99 priced out - and just the major parts were to a tune of around $5000 - the panels that are custom radius. We were going to settle with the idea that she would have some character blemishes.
But when you add in the time, the patience and the place to work on her (Canadian Winter we need more than a leanto
The big question was the frame straight? and that we would not be able to determine until after some heavy strip down underneath so a lazer could be put on her. You will never keep her in tires if she is not straight.
She looks very doable though - and as Shari says - the re-sale will not be there but if you are looking for a nice trailer for dirt cheap then you have yourself a good deal - if she is straight. Good Luck