How bad does this look?

From what the owner's grandson knows, the car never saw body work, just a repaint. In the 13 years his grandmother has owned it, this is the rust that has shown up on it. But like I said, it's been kept outside, under a tree for the whole time that she's owned it and it's been driven about 10 or 15 miles every month. The most it was driven were a couple 60 mile trips towing a row boat with it. I have been under the car and other than that one spot that is under the passenger door, the underside is more perfect than my 1990 GMC S15. It looks like it has some kind of an undercoating on it, or it may just be 40 years of road grime. I know that the proper and really only way is to bring it down to metal, cut it out and weld in new, but I can't afford that and this is in no way a restoration project or a show car. This is going to be a daily driver for my roommate. He's buying it, we're both gonna be on the title and insurance, and I'm gonna pay for and do all the work it needs myself. I work at AutoZone, so most of my money goes to the bills and keeping my old daily filled with gas and going down the road. The main reason we wanted to buy this is so he can have a car, and so the owner's son doesn't send it to the crusher because he has a thing against old Chrysler cars. The grandson that I'm dealing with gave me a kinda good price and he wanted me to have it because he knows I'll keep it moving. But I will ask, does anyone think I'm over paying at $2000? I think I am. But other than rust, the interior is about perfect and there's nothing wrong with the old 6 or the trans in it.