Bests & Worsts Reviews from Amazon

I ordered this because most reviews were positive, I was hoping the negative ones were flub-ups. Boy am I sorry now. It arrived swiftly and I set up to use it. I went through the decorative stitches and loved it, played with the tension and stitch length-width (not always true to the label, but close). I had no problems for about a week. Following the completion of one project, I set out on another. It would not sew more than three stitches without a error message appearing. The upper thread was caught on something and jamming the needle. - The neck is so low it makes working under the plates nearly impossible. You have to hold the screw driver sideways to unscrew the plate. - There is a "peg" from the plate that if the plate is shifted will snag the upper thread as it engaged the lower. Fixed this. -Went to sew, still catching and making a mess out of the project. I can't figure it out. History: I have been sewing for 13 years and have serviced my own machine in the past. I know what I'm doing, and this machine really disappointed. I will exchange if I can, I hope it's just this individual machine. I like the features, but the cramped arm is killing me.