We want to pass on our savings to our customers, so we've lowered the price of this item. However, since our price is now below the manufacturer's suggested retail price, we are restricted by the manufacturer from showing the price right away.
I used 18 feet of the 20 foot spool on my moderate size yard. I refilled my spool with 20 feet of the line detailed in the video below and only used 3 feet for the same amount of work.