the nice thing about doing a quilt on the serger, you never run out of bobbin thread because there is none. The amount of thread wouldn't be that much, use the stitch that uses 2 threads, the same as a machine. The one quilt I did was a quilt as you go, it was great. the other great thing is you can use a larger variety of fabric. Like the log cabin out of fleece I'm doing, the fabric doesn't stretch. I'm close to being done and I'll try to post pictures. Plus with using the serger on this one, I have the option of not putting a backing on it because the edges are sealed.