I've started CVSing and wanted to share my slightly confusing but awesome plan for this week.

Transaction #1

Excedrin (20-24 ct) $1.99
Use $2/1 printable coupon or 2/1 coupon from the 10/19 SmartSource
Final Price: Free

St. Ives Skin Care, $2.99
$2/1 St. Ives printable
$0.99 after coupon!

American Greeting Cards starting at 99¢ (Buy 3 for Extra Buck Deal)
Earn $3 Extra Bucks, when you buy (3) American Greeting Cards (limit 1)

Total OOP = $3.99 or use leftover ECBs (I think I have $3)

ECBs Earned = $3.00

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Transaction #2

CVS 24 hour Allergy Relief 5 ct. $3.79
Earn $3.79 Extra Bucks (limit 2)
Use 3.00 ECB from Transaction #1

Total OOP = $0.79

ECBs Earned = $3.79

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Transaction #3

1 - Cottonelle Moist Wipes @ $5.98

-$.50 Cottonelle Wipes Mfg coupon

Use 3.79 ECB from Transaction #2

Total OOP = $2.19

ECBs Earned = $3.00

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Transaction #4

Buy (2) Maybelline Mineral Products @ $7.99
Use (2) $3/1 any Maybelline Foundation 10-26 Red Plum Insert
Earn $10 Extra Bucks when you buy (2) Maybelline Mineral Products

Use 3.00 ECB from Transaction #3

Total OOP = $6.98

ECBs Earned = $10.00

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Total value = $33.73
Final OOP = $10.95 (or $13.95)

ECBs remaining = $10.00

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Without the last transaction the totals come out like this...
Total value = $17.75

Final OOP = $3.97 (or $6.95)

ECBs remaining = $3.00

My ideas came from various websites like this one.