Bouncy House Rentals business. Business Overview The focus of this new business opportunity is the rental of portable, inflatable, carnival-style bouncy houses for children's birthday parties and community charity events. In addition to renting bouncy houses, this business start-up can also include operating the bouncy houses in tourist or high-traffic community gathering places, and charging parents a $3 or $4 fee for their kids to spend ten minutes inside bouncing around with...