I have a Bernina serger. I make about 20 Linus quilts a month and lots of other charitable sewing. I use it to finish off all of the raw edges on the Princess Pillowcase dresses I sew and I use it to do the first three seams that go around the Linus quilts I made envelope style. Threading them is the hardest thing to learn. Once you have done it you figure out how to just tie on a new spoil of thread before the first one is completely finished. They all you have to do is either sew or pull the new thread through to change color or just refill the one you had. You will find that the majority of commercial sewing is done on a serger. I don't know what I would do without mine.