The truck is outside your new home. The elevator is reserved. You are ready for the movers to bring everything inside. Then the driver asks for a cashier’s check. You were planning to use a credit card. Or perhaps the payment method is correct, but the balance does not include the money you already paid at pickup. Maybe the invoice is higher than the estimate, and nobody has explained which charges must be paid now and which can be billed later. These are problems worth resol