I have 9 machines and all have a different use.
6 needle embroidery machine--embroidery only
Brother Innovis I use mainly for button holes and if someone comes over and wants to sew
Pfaff Grand quilter Straight stitch only....quilting
Pfaff 7570 My main sewing machine
Pfaff 6010 Manual machine, great for sewing retreats and for grand kids when they come to sew. (Easy to use)
Janome Gem Use to take to classes
Industrial serger---my main work horse
Viking 936 Serger---usually set for coversitch
Mini-Skipper Hemmer
Like I tell my dealer. I change machines, and some people change thread on their machines.
I would have a difficult time letting any one of my babies go.