When I first decided to make a serious go of being a long arm machine quilter I over invested in one brand of 40 weight cotton. This came from basically being the kind of person who needs one of every color. 40 cotton is strong, doesn’t break much, and came in a nice range of colors and variegation. These are great qualities as a beginner because we tend to be more “jerky” and that can break fine threads. A 40 weight cotton is great for utility (pantograph edge to edge) quilting too. But, as I b