Outdoor advertising specialists agree FUN is essential to the success of any creative outdoor advertising strategy. In addition to purchasing balloons, your car dealership staff must agree to provide every customer with an upbeat, customer service oriented, satisfying experience. You want everyone who comes through the door, whether they buy or not, to leave with a sense of excitement and the desire to return to your business in the future. Huge balloons strategies can also be complimented with other outdoor advertising ideas that create a fun and friendly atmosphere.