We bought a 1998 Dynasty 38ft with a single 16ft kitchen/couch slide, this time last year, and we are loving the hell out of it! Cummins 330 6cta 8.3l 6sp Allison, on a roadmaster rs3100 8bag suspension, had 71k miles when we bought it. If you ask me and your comfortable with the price, go for it, these Monaco dynasty's are incredibly solid build vehicles. There were minor repairs that I knew about when I bought it, but easy stuff for me to fix, new muffler, all filters, engine/trans/fuel/air dryer, fluids, replaced entry steps new laminate wood, kitchen faucet, showerhead, rebuild toilet, but like I said for me these are easy things to do.
We have put about 3000 miles on it, I tow a jeep cj7, average about 8-10mpg, more than enough power for my needs, just remember it's a 30klbs vehicle, so it won't be a rock ship. Check the date code on the tires! Big pill to swallow if you need to replace them right away
1998 Monaco Dynasty 38ft