Which foot are you using on the machine, and what type of quilting are you doing? If you're doing free motion quilting, you need to use a quilting/darning foot and have the feed dogs down. If it's machine guided quilting, you need to use a walking fo...
I would recommend any of the name brand sewing machines, except Singer. For some reason their quality seems to have diminished over the years. You can go to Joann's or Walmart and find good quality machines for a reasonable price. If you are planning...
Go to a reputable dealer and ask about used machines that have been reconditioned. They'll be cheaper than new, but probably better made than the junk that Walmart sells. Walmart machines tend to be inferior, and you won't be able to get anyone to se...