Built a 40 x 60 shop in 2022. 12 ft sidewalls, heated conc. floor, framed 2x6 @ 16 o.c., steel panel exterior, shingled roof, 2 O.H doors, Did all the dirt/gravel work myself, framed and set trusses, installed wall steel and sheathed the roof. Hired the shingles done. Cost with minimal labor...