Free Colgate toothbrushes and money maker Colgate toothpaste at Walgreens

This week at Walgreens, they have Colgate Total toothpaste on sale for $3 with $4 RR wyb 2. In the Sunday paper this week, there was a $1.50/1 coupon for Colgate Total toothpaste. So this is what the transaction looks like.
Buy two Colgate Total toothpaste for $6
use two $1.50/1 coupons
pay $3, get $4 RR
This is a $1 moneymaker

The toothbrushes looks like this:
Buy two Colgate Total or 360 Clean toothbrushes for $6
use two $1/1 coupons
pay $4.33, get $4 RR
Two toothbrushes for $0.33 (just pay tax)

I did these two transactions twice and received a total of $16 in RR. I then purchased the rest of my order for a grand total of $0.00!

I bought 4 Ziploc Freezer bags
On sale for $1.99
I used two $1.25/2 coupons
Making them $1.36 each

I bought 2 AXE body wash
On sale buy one at $5.49 get one 50% off
I used a b1g1 free coupon
getting them both for $2.75 or $1.37 each

I bought 6 snickers creme eggs
on sale for $0.29
I used 3 $1/2 coupons (cashier needs to adjusts coupons)
6 for free.

I bought 3 packages Whoppers Robin eggs
On sale for $1.50
I used 1 $1/3 coupon
getting them for $3.50 or $1.16 each

I bought 3 Mentos gum
$0.99 with in-ad coupon
I used three $0.35/1
making them $0.64

I bought 5 Russel Stover Creme eggs for $0.29 each

I bought 1 envelope for a package I need to ship.

I used my 4 $4 RR and paid $0.00 for all of this.
I spent a total of $14.66 and saved a total of $55.39!