Well a 8x10 with a gable roof is going to run you at the minimal 3 4x4 skids 8' long, 2 6x10's treated, 7 6x8's, 3 sheets marine/exterior plywood, 11 sheets exterior paneling( including gables), 5 sheets osb for roof( due to overhang of 9x11 needed and waste ), you will need 6 pieces of drip...