These two jobs belong to a relatively saturated market, and they are both working with banks. If the POS machine only advises you not to do it for China Bank, it will take a long time to make money, and now it is more difficult to enter. Unless you know many bank account managers or merchants. Although credit cards are widely used, the demand of card users is still relatively large. You can run for thousands in a month. Look at the treatment of these two families. According to your own situation, your own market, your own judgment, your own thinking. If the two working hours do not conflict, you can work together temporarily.