I got this jumper for a party we were having. I paid just under two hundred. It would have cost one seventy-five to rent a professional size jumper for a few hours so I thought this would be a great permanent alternative. I read the reviews about defective items and was willing to take a chance, because i know three families that own little tykes bounce houses and love them. It arrived in the time it was supposed to, and we did not open it until the day of the event. When you open the box there is a big warning on the box that says you CANNOT return the item once the box is open, but you cannot see the notice until you open the box. ( very sneaky ) there is info on how to contact little tykes if you have a problem. It went together perfectly and we staked it down as per the instructions. Plugged in and turned on, it inflated quickly and the kids did not hesitate to jump in. It remained on for over 5 hours of the party. It had almost constant use that whole time. It's perfect for 3 or less kids at time, but 4 can use it no problem the age range at the party was 1-8 years old and everyone enjoyed it and no one was injured. We have used it no less than 10 more times since the party, one month ago. We inflated it inside the house as well. It is very sturdy, well made and continues to work well even with my 3 crazy monster children. When you unplug the fan, it resets at the plug, and you have to hit a button on the plug to turn it on as well as the on/off switch on the fan. If someone has issues with it not staying inflated and the walls not holding up, it is most likely because the vent on the side is not properly tied closed. Read the instruction and use caution ( don't let the kids touch or move the fan) and it should last a long time. FYI you need an additional 8 feet on the side the fan is on for proper set up inside a house, so make sure you have enough floor space to properly set it up before you buy it! Very happy with my purchase, I think it will last a long time.