Ridgid WD1451. $100 at Home Depot with a free car kit. Excellent suction at a good price. All the contractor pros I know use them. You can't go wrong. For a real treat but much more expensive, the Stihl commercial SE122 is also great.
Concrete floor anchors from anchor mfg. Super quality. Electric hoists behind the door openers. Swisstrax floor. Sherwin williams mindful gray paint. Air compressor. Electric and LED light reels. Air hose reel. Lights mounted on the vertical walls for niw shadows. Eye bolts in the walls for...
Sherwin Williams 'Mindful Gray' on the walls, Sherwin Williams 'Extra White' on the ceiling and trim, both in flat, and slate gray Swisstrax on the floor. Can't go wrong...