About 20 years ago I had a friend who spent a lot of time convincing me that I needed a serger. I finally broke down and bought one for around $500. Watched the video that came with it, threaded it, used it for about 10 minutes, put it back in its case, put it under a bench and there it lived- traveled through 3 moves, finally about 10 years ago I was tired of it taking up space and I sold it- for way less than I paid for it- personally I see no reason to own one unless you do a lot of garment sewing with knits- I don’t so it was a waste for me.