Consider buying machines from either Amazon or Home Depot or their company shops. These sources are trustworthy, and you are likely to come across machines of the best quality. It is also possible for you to get a warranty as well as a variety to choose from. Before buying the machine, visit their website to have an idea of whatever they are offering. From the site, you will also be able to have a look at their various prices. You can also get reviews of the machines and feedback given by former clients.