I love mine
Yes, sometimes when Im going too fast it 'skips' and you have to re-draw
yes, the line will come back in EXTREME cold.. I doubt any of my quilts will be going to the North Pole anytime soon
Yes, it stretches the fabric IF I pull on the fabric when drawing - just dont pull..
Yes, it will leave a faint line on certain fabrics, IM scrappy so it just blends in with my quilts anyway
Yes, i heard about the residue it leaves behind, the fabric itself has more, so not a concern for me
Yes, IMHO are really worth the investment..
Fine for precise lines and regular for just following along is my method..