The Most Dangerous Line Item in an Acquisition Model

Some deals go bad even when the purchase was right. The strategy works, the market holds, the team executes, and yet the outcome disappoints. When that happens, the issue is usually not the deal. It is the calculations behind how the business would run afterward. Working capital sits inside those assumptions. Timing, availability, what normal looks like. None of it feels dramatic. All of it determines whether the business can operate as planned. The mistake is treating liquidity as flexible, modeling it as if it can stretch, fund growth, or quietly support the transaction. But working capital follows the rhythm of the business, not the structure of the deal. Growth uses cash before it creates it, and it rarely can use operating capital without creating a cash crunch. Ownership change does not shorten cash cycles. Scale often makes them longer. So the purchase closes cleanly and the business inherits a structure that requires precision without margin. The disciplined move is earlier and quieter. Map how cash actually moves. Define the minimum liquidity required to operate cleanly. Then let that reality shape the financing. When liquidity is calculated honestly, good purchases stay good. When it is assumed away, outcomes deteriorate without warning. I'm Tom Powell, and at The Founder's Office, we work with founders and buyers who want good purchases to stay good after closing.