Who are your buyers if you are running a store business? There is no other but the people in your community. They are your direct revenues who could move your business to its top level. If you are friendly, kind, approachable, and a good listener to your community, they surely respect you. They will also protect you from harm from despicable people. That is also called community service that may turn satisfactory for the people in the community, your constant buyers. And of course, they will love you more if give them a chance to listen to their woes, vis a vis with their daily needs. And allowing them to purchase goods through installment is where you can prove your care in return.