Custom Options Doors 3'x7' Door $1400 4'x7' Door $1500 Plumbing Bathroom w/Shower Call for Pricing Bathroom w/Tub Call for Pricing Electricity Outlets & Conduit Call For Pricing Windows 3'x3' Window $600 Shelving Outlets & Conduit $50/foot Ventilation Manual $150 Solar-Powered $600 Air Conditioning & Heating Mini Split AC System $2500 Window Unit AC System $1500 Paint 20-Foot Container $1400 40-Foot Container $1800 Spray Foam Insulation 20-Foot Container $1300 40-Foot Container $2200