It is Tuesday. You delivered a load yesterday, and the diesel card statement is due Friday. Your insurance installment is due the same week. Say the broker’s payment terms are 30 days. The delivery is not even the start of that clock: the broker wants your signed paperwork first.
This gap is where freight factoring gets pitched to you, often by several companies at once. Below is the mechanism, the full cost, and the cases where it helps. Terms you may not know are explained in the trucking glossary.