I bought some aluminum 2in angle ... Screwed it in on three sides of a 7.5 ft wide closet. Picked up a 1.5 inch laminated bamboo countertop, trimmed to fit. Drilled and screwed in from the bottom with deck screws.
I can stand on it and jump with no deflection.
No legs to capture dust, easy to get under and vacuum AND most importantly, SWMBO likes the way it looks.
Accordion doors on closet close when done leaving a clean looking room.
No basements where I live ...