Bought and installed the unit in 2017 at a local membership store. I would recommend following the instructions as far as the additional help required to assembly/raise the roof. I would also go through and check that all items are present, as I was missing two roof support beams. This wasn't an issue as it was simple to call the 800 number supplied and without hesitation and hassle free they immediately sent a replacement with days. Two years later and it is still going strong, no wood decay or metal rust present. Good strong structure. Money well spent!!