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How Dell got customers to fund its growth
💡 A negative cash conversion cycle means customers pay you before you pay your suppliers — so growth funds itself instead of requiring outside capital.
Most businesses pay for inventory, wait to sell it, then wait again to get paid — floating cash the whole time. Some companies flip this so their suppliers effectively finance operations.
The key is the cash conversion cycle (CCC): days to sell inventory (DIO) plus days to collect from customers (DSO) minus days you take to pay suppliers (DPO). When you collect from customers before your supplier bills come due, the number goes negative — you're operating on other people's money.
Dell pioneered this in the 1990s: by building PCs to order, it held almost no inventory and collected payment upfront, while paying component suppliers weeks later. Amazon does the same in retail: customers pay instantly, but suppliers get paid on longer terms. The result is a business that generates cash as it grows, instead of needing loans to fund each expansion.