Singer Overlock Sewing Machine for Fabric Cleaning, New

Singer overlock sewing machine for fabric cleaning,, brand new with its original box and warranty, used only twice for testing on a small piece,, reason for sale: I don't know how to use it and I don't have time to learn, and my theoretical knowledge isn't helpful,, I bought it for approximately 1250 riyals, forgot exactly how much,, it's been several months since I purchased it,, and I'm selling it for 1000