After the customer pays the down payment for the pre-sale activities, how can the customer service urge the final payment?

Generally, after the customer has paid the deposit, the balance has not been paid. In fact, the last payment is big, so many people often pay the last payment. He has no money and doesn't know how to pay it back. Then you can tell him, hello, it's time to pay the balance. When is it convenient for you to pay the bill? If you are short of money now, you can use our installment plan. Now we can order one.