Have a 2017 Heartland, different model. Quality seems decent, about like Most campers.
Ours was basically new last year when we bought it. Used once, in 4 years, lol. So a few minor things.
But like mentioned above, damage or leaks and non working “stuff” is what to look for.
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5” turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold