What you could build

A B2B beauty-and-cosmetics surplus marketplace — salon owners and retailers buy liquidated inventory, closeouts, and slightly-damaged stock at steep discounts, sourcing from brands clearing excess inventory before expiry. Or a reverse-auction reverse-logistics platform for industrial machinery: factories list the exact component failures and procurement mistakes they've suffered, and competing vendors bid to supply the corrected parts with zero-defect guarantees — in India's fragmented SME manufacturing sector where procurement errors cost lakhs annually, the brutal honesty is the pitch.