Free Snack Well bars at Acme

Acme has a Catalina on Snack Well's this week (ends 7/21)
Buy 2 and get $1 Catalina
Double dips with a National Catalina on Snack Well bars
Buy 1 get $1.00
Buy 2 get $3.00

Here's what I did:

Transaction 1:

12 Pop Tarts $20 

- 12 (4/ $2/3 Pop Tarts printable) 
=$8
($1 Catalina wyb 3) 
Got $1.00 Catalina / 4

Transaction 2: 
2 Snackwell Cereal Bars
Paid $5.00
Got $1.00 Catalina
Got $3.00 Catalina
= $1.00 for 2

Transaction 3: 
2 Snackwell Cereal Bars
Paid $5.00
Got $1.00 Catalina
Got $3.00 Catalina
= $1.00 for 2