Start printing out those Crest Rinse coupons or look for your January P&G because you are not going to want to miss this deal.  Starting Sunday, head over to Walgreens and pick up 4 Mix & Match Crest products that will total $12. Then after the coupons below you could end up paying as low as $9 out of pocket, but then you receive a $6 Register Reward that makes them like $3 TOTAL FOR ALL FOUR ITEMS!!
Buy a mix and Match 4 Crest products.

Crest ProHealth Rinse: $3.00
$0.50 off ONE Crest ProHealth Rinse 500ml
$1.00 off TWO Crest ProHealth Rinses 500ml
Total: $2.50

Crest Toothpaste: $3.00
$1.50/2 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$2.25/3 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$0.75/1 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
Total: $2.25 ea

Oral B Toothbrushes: $3.00
$1.50/2 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$2.25/3 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$0.75/1 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
Total: $2.25 ea

Glide Floss: $3.00
$1.50/2 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$2.25/3 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
$0.75/1 Crest or Oral-B Crest Toothpaste or Rinse or Oral-B Glide Floss or Glide Floss Picks, exp. 1/31/15 (P&G 12/28/14)
Total: $2.25 ea

Could be as low as $9 but when then you will receive a $6 Register Reward making them only $3 total or $0.75 each!