that happen to me with wonder under jaf was having a 50% off all interfacing i grab the whole bolt of wonder under about 10 yrds at that time it was $1.79 yrd had a whole bunch of other items the clerk did her job took my coupons, and it wasn't untill i got home looked at the reciept that the wonder under came out to 89 cents for the bolt the clerk scanned it but the register read it as 1 yrd instead of 10 yrds,didn't lose any sleep over that ..........