I have a Flagstaff HW27KS which is the cousin to this model with the difference of the Rockwood having the jack-knife sofa. For the most part, it has been a pretty decent camper.
Undersized screws have pulled out and had to be replaced. Water leaks fixed and the electric roof lift has been a constant PITA. That being said, from what I have learned on this website is that virtually ALL owners complain about what they have....and if it hasn't broken, it will. But it's a rolling vehicle and a certain amount or maintenance and the ability of being able to use a screwdriver is paramount to the RV lifestyle.
In all reality, I wish we would have gone with at least a 3 bunk hybrid, or a bunk model with the two larger bunks in the back, and if we used it more, it would have already been replaced, but it's the ownership of the camper that gets old, not the camper itself. Setting up and breaking down can be a beating, especially if bad weather is quickly approaching.
I really friggin hate to have to make the table into a bed every night and there have been a few campgrounds that we can't get into in Colorado because pop-up's aren't allowed in bear country. However, when I can have the camper loaded, truck loaded and rolling down the road at 62-65 MPH and still get 14-15 MPG, then that helps make the overall burden of ownership more bearable.
Best advise I can offer is to remove the spare off the back and throw it in the bed of the truck going down the road. The bolts will pull out and the whole assembly will start to get loose and EVERY bump you go over will make the problem worse. VOICE OF EXPERIENCE TALKING.