Paying invoices sounds simple enough. A vendor creates an invoice and sends a bill, your team approves it, and the money goes out. In practice, though, invoice payments are where a lot of finance ...

A $5,000 invoice paid by credit card at 2.9% costs $145 in processing fees. The same payment via ACH would cost $1 to $5. For smaller invoices, the speed of card payment can outweigh the fee ...