We are using these (we bought two) for two of our cars since we only have a one car garage. We originally wanted a single 18'x 20' canopy carport but they were unavailable. As it turns out using two that are 10' x 20' is working better. The frame is easy to put together especially because of the way the pieces all snap and lock together. Do not buy any brand where the pieces just push together. We helped a friend with that kind and the frame kept falling apart even though there were 3 of us trying to keep it together. The first one took about 3 hours to put up. The second- about 90 minutes. We did buy 35lb cement blocks to put the feet into. Or you can buy buckets, put the legs in them and then add cement about half way up (a little bulkier, not as pretty but you could add dirt and use them as flower planters!). The first one went next to our garage and we tethered the middle leg to the side of the garage. The second one went next to it and we used bungee cords to tether that one to the first. We did that because when we had 40-50 mph winds come through a week later, a couple of the feet, even with the 35lb blocks, moved a good foot or so. That said, they have been very stable during high winds.And that's also why we think the two smaller canaopies are better. We think the wind might really pull at the bigger one. We have agrred, should a hurricane hit Connecticut, we will take them both down beforehand! The kit comes with tie down cord and spikes that screw into the ground. We haven't used them yet. Ours are in a somewhat sheltered area. If your's in out in the open you might want to consider adding tie downs. We were surprised at how quickly it all went together and the second one was easy peasy. We put the entire frame together and then put the canopy over. I'm not sure that's what the directions say. We just thought that would be easier. You do need a ladder to get the top over. The taller the ladder the better. We are very happy with our choice.