Freight factoring is a niche field. But its critical for many long-haul carriers. Freight factoring is a financing tool for many trucking companies or individual owner-operators use to maintain stable cash flow. When a long-haul carrier accepts a load, they will invoice a freight broker for the cost of moving a shipment of goods. Often, it can take several weeks or months for the freight broker to pay the invoice. When a long-haul carrier accepts a load, they will invoice a freight broker for the cost of moving a shipment of goods. Often, it can take several weeks or months for the freight broker to pay the invoice.