Go over to the Reach website and fill out the necessary info to print the coupon for $1/1 Reach floss. Hit your back button to print the coupon twice! This is on sale at Rite Aid this week for $1 and goes on sale for that price often at all of the major stores!
As you can see in the picture from Target, this floss is regularly prices at under $1 there!
Also, don't forget that while you're stocking up on free floss, you can go to Target and get some Up and Up floss for free by printing their $1/1 Oral Care coupon
(Thanks Rose Knows Coupons!)