Working on my scenarios for tomorrow's trip to CVS

Transaction 1
1 Aleve 3.99 earn $3.99 ECB
1 Excedrin 3.99 earn $3.00 ECB
1 Purex earn $1.00 ECB
Coupons:
$2/$10
$2 ECB
$1 Aleve
$6 Out of pocket
Earn $7.99 ECB


Transaction 2
4 Purex 11.96 earn $4 ECB
Coupons
$2/$10
$7.99 ECB
2 $1/2 Purex
$0 out of pocket, actually may just have to pay tax still new at this so I am not positive
Earn $4 ECB


Transaction 3
2 Suave products 2/$11 earn $2 ECB
Coupons
$2/$10
$4 ECB
2 $2/1
$1 Out of pocket
Earn $2 ECB

I am working on a 4th transaction, I need to stock up on lotion any ideas?