Well, Innova doesn't send you to a class or anything. They design and build their machines so that you, the owner, can perform your own maintenance and most repairs. There are lots of how-to videos on the website and YouTube, they have 24/7 service and will walk you through how to replace a check spring or whatever you need to do. Dealer support is excellent also, my dealer has been repairing longarms since he was 10 (he's now 65). The other half of my dealer support is a woman who owns several longarms, quilts professionally, and teaches.