Originally Posted by IrishNY

I have Bernina and I have used Coats and Clark, Mettler, Gutterman, Sulky and others. Never had a problem with any of them. I typically use Mettler but sometimes can't get the right color. I don't think the more expensive machines demand more expensive thread. The thread is only passing through the machine, not becoming part of it.

The best piece of advice I got about thread and my Bernina was to always cut thread at the spool and pull it out at the needle when changing thread. Keep the fibers always going in the same direction. Pulling thread the other way can cause more lint.