Buying an inflatable bouncer
Buying an inflatable bouncer to use only once or twice will be too great an expense for most parents, let alone buying multiple bouncers to only use once. That is where the opportunity here lies: You can rent out the same inflatable bouncer to different parents all across your neighborhood, and even beyond. The choice of how far and how strongly you want to pursue this opportunity is entirely yours.
Also, advertising for inflatable bouncers is very easy and inexpensive. In many cases, simply telling people about your service will be enough to let word of mouth spread. You can print out flyers and leave them in the mailboxes of parents you know, or put signs up around the neighborhood. You can promote inflatable bouncers through email, phone, or simply by contacting friends. The service is extremely easy to promote, and contacts build upon themselves: satisfied parents will tell their friends and associates about the great service you provide.
Renting inflatable bouncers is a win-win for all parties. You make money by saving parents money. You can make a profit for very little work or investment. The extent to which your business grows is entirely up to you, and you can expand your business with very little advertising. It is a great opportunity to take advantage of an untapped market, and a better business investment for enterprising individuals and businesses to make a real profit for a great service.