If you select a door hanger promotion, then you will be happy with the results. These economic post card printing campaigns are very similar to the postcard campaigns. In order to be safe and cautious, you can plan to send them for every month. if you want you can change every month’s promotion offer in order to see which one works the best. You can easily analyze the results of the door hangers for the promotion of your business. The door hangers never require expensive addressing or mailing costs. These are very cheap and can be distributed by using local service or by the employees of your company.