Payback Period

Definition

Payback Period is the time it takes for the gross margin from a new customer to cover the cost of acquiring that customer. The shorter the period, the faster your marketing spend turns back into cash you can reinvest.

In depth

Payback Period divides what you spent to acquire a customer by the gross margin that customer brings in each month. If a customer cost $600 to win and delivers $300 of margin a month, you break even on them in two months — everything after that is profit.

For a contractor, payback speed is really a cash-flow question, and it sits right alongside your cost per acquisition as a core key performance indicator. A long payback ties up money you could be spending on the next campaign, the next crew, or the next truck. When payback is short, you can scale aggressively because each customer refills the war chest before the next ad cycle.

The common mistake is judging marketing only by customer lifetime value while ignoring how long the money is locked up — strong LTV with a 14-month payback can still starve a growing shop. We track payback against your cost per acquisition so we can pace your spend to your cash, not just your ambitions.

The formula

Worked example

Related terms