Sometimes, buying a new insulation blower can be a little too costly; especially if you are not sure whether you will ever be using it again. The better alternative is to go for used insulation blowers. They have the same efficiency and precision in insulating the cavities in the wall, but are much cheaper than a new one.
It is easy to come across such used machine as well. All you need to do is go online and search for used insulation machines. A number of results will show up. Choose one of them and then get in touch with seller.