well it took me a week and a half but I got one built to suit me.
I took 8 inch c purlin and made a square base and welded corner braces and reinforced the corner with plate.
then I screwed down 3/4 inch treated plywood for the floor and went up from there.
This time, I built a front and back 2x4 walls but didn't double stud the corners like I had in the past.
I used the pre primed siding at Lowes for the exterior, topped the walls off with 3/4 plywood.
Ususlly I would have just screwed the metal roof down but since I had a 4x4 plywood left over, I used it for the roof and screwed the metal roof to it.
for the front window I bought a factory made 24 X 9, slides from both sides and is weather proof
for the side windows I bought the aluminum frame that Lowes sells for making your own screens.
the channel in this screen is perfect for plexi glass to slide. A good friend gave me that tip
45 minutes after I set it up, and only had 2 cables holding it down, a storm blew in from the north with big gusty wind and it rained for 40 minutes, of that 15 minutes it rained nearly sideways.
When I went back to check it after the storm, none of the windows leaked
I also built the leg braces out of 1.5 inch angle and also installed some "lifting" braces that run from the back legs(the legs that are under stress when it is being raised) to the front corner of the frame.
this makes a square of the three points and takes the pressure off of the back legs where they attach to the frame while it is being raised off of the trailer.