It's only $429 USD right now but we bought it in November of 2024 and full price back then was $1,200. I'm not sure if the huge discount is a good sign or not. I guess I'll know after the next big storm.
Reviews mention it being hard to assemble and there were some definite errors in the instructions but we were able to make sense of it. The order some things are in didn't make sense when we'd finished; for example, adding corner supports was one of the last steps, but would have provided stability throughout the build if done sooner.
There is one review that says a thunderstorm destroyed theirs, but looking at the picture it looks like they just built it in the yard, no foundation or anything to brace it or weigh it down.
It's a polycarbonate frame, so it doesn't weigh much. With that review in mind I'm glad I did the foundation and will be reinforcing it per some suggestions from another lemming including caulking the window seams.
It's 12' x 8' x 7' (3.66m x 2.44m 2.13m). I wish it was just a bit taller so the roof at the sides was taller than I am, but then it would need to have longer front, back, and sides; too big for the space at that point.
Got it from Walmart: https://www.walmart.com/ip/NETAJE-12-x8-Outdoor-Greenhouse-Walk-in-Polycarbonate-Green-House-with-Aluminum-Frame-for-Backyard/13698363162