Secondly, do a good job in customer classification. For example, the elderly generally can't accept risks, so you should try to sell risky products to them when selling products.
Finally, we must have a sense of responsibility. At present, the financial industry lacks services. If you do finance, you must consider the services within your business scope, so that you can do it for a long time. After all, this is not a marketing matter, accumulate more customers.
Personal opinion, for reference only.