$10 CVS Gas Card Promo

Here is my scenario for getting the $10 gas card:

Purchased:

2 Physician’s Formula Firming Moisturizer – $19.99 each
4 Cocoa Pebbles Cereal – $2 each
1 M&M’s Milk Chocolate – $3
1 Colgate Sensitive Pro-Relief Toothpaste (not part of gas card deal, but had MCM coupon) – $4.99
Total before coupons/deals: $55.97

Used:
CVS BOGO free for Physician’s Formula ($19.99)
$15 off Physician’s Formula (from Magic Coupon Machine) ($15.00)
2 – $1/2 Cocoa Pebbles coupons ($2.00)
Colgate Sensitive coupon ($0.50)
$1 off Colgate sensitive coupon from MCM ($1.00)

Total after coupons/deals: $17.48

Received : $10 Gas Card
$4 ECB (from Colgate toothpaste – 0.51 MM)

So basically, $3.48 for $55.97 worth of product