Like JustAbitCrazy, I have a Gammill and only adjust as necessary. If I am using a thin batting, I can often advance 3 -4 times or more before I have to adjust. However, if using a high loft batting, I may have to adjust more often. If the machine doesn't move as easily, I know to adjust the take up roller. That being said, I read a tip somewhere in the past suggesting that you can lower the take up roller to create a small amount of drag if you need "more control" while quilting. I don't recall where I read the tip and it's not something I do but thought I would share...