Starting an inflatable bounce house business can be a very profitable home business or a lucrative full time operation. We have years of experience not only assisting existing rental businesses but starting them as well. The Inflatable Party Rental Business is growing in excess of $3.5 Billion a year.Click to see full answer. In respect to this, how much does it cost to open a bounce house business?Opening an inflatable bounce house rental company requires very little overhead. Each bounce house averages approximately $1,500 in cost and $200 for shipping. Consider investing in at least one combo unit, which will cost you approximately $2,800.Subsequently, question is, is a bouncy castle business profitable? Bouncy Castle Hire is a great business and the next two years are going to be very profitable. In order to start up in this business you may wish to consider the experience I had with AJL! Hopefully, you can learn a couple of things to make it easier. Also Know, how much does insurance cost for a bounce house business? Insurance is the biggest cost. Although it seems to get cheaper when more units are added, start up costs are tough. Bounce House purchase prices average around $1500.00 but insurance will be around $750.00. That means your first year start up is going to cost around $2500.00.How much money can you make renting bounce houses?According to the bounce house industry research, each inflatable can have an average of 1.5 rentals per week. $150 per bounce house rental x 1.5 bookings per week = $225. If you invest in 4 bounce houses, your business will draw in about $900 per week.