Stop in for a cup of coffee

Look at pole barns they are cheap for the shell. I am sure you can do the rest. 5-8K
This^ . I’m building or well planning to build a 24x27x12H for just under 2200 not counting concrete. Find a bulk roof metal distributor. There’s one local to me, .75 cents a linear foot, for brand new, cut to length 40 year warranty panels