Summary: The only early inhibition I have is that the machine seems to labor when sewing through several layers of material. But, perhaps I am exceeding its capacity since the fabric was a very tight fit under the presser foot.
Summary: I bought this machine thinking the self threading feature was a great idea. But on first use, I found the average reel of cotton does not fit the cartridge and I spent many miles and hours looking for cotton to fit. The only reels that fit were the really expensive ones.