Metal Buildings, best company to use, also wood construction ?s

I had a metal building constructed with gable ends only- no front or back walls.

I then went to Lowes and ordered matching sheet metal panels, purchased 4x4 posts, and ordered roll up doors to my specifications (one with an opener).

I set the posts, mounted the panels, and hung the doors myself.

Oh, I also installed a man door that I found at a scrap yard.

It would have been $7,500 more to get those options from the builder.

It cost me about $1500 and my own labor, at my own pace.

This sounds like a pretty good option with a small compromise; paying to have the main structure erected, then doing your own walls later. One suggestion, have them put the metal up in the traditional way; vertical. Some of the 'carport' style sheds I've seen around here have the metal running at a right angle (horizontally) which is cheaper, but not very good in my opinion.