I bought this for pretty cheap at an auction and I don’t even know if there are instructions inside. I’m a pretty handy guy with time and tools and some knowledge. I’ve worked on roofs before and know the basics of many other trades.
Yes. Hopefully everything is cut to size. Cutting metal siding and roofing sucks if you don't have the right tools. Rent them if you need. Best to build this on a concrete slab. The ground will be too uneven, throwing everything off plumb