I just stopped in to buy a gallon of milk at Safeway today and I received word of an upcoming Catalina Promo for Nature Valley Granola Bars:
Valid beginning TOMORROW, August 14th-September 6th

Buy 3, get $1.50 (catalina) off your next order
Buy
4, get $2.50 (catalina) off your next order
Buy 5 or
more, get $3.50 (catalina) off your next order

Must buy in quantities of 4,
minimum $20 purchase, limit 4 per in-ad coupon

Nature Valley Granola Bars $1.50
$0.40/1 – Nature Valley Granola Bars – (coupons.com)
$0.40/1 – Nature Valley Granola Bars – (pillsbury.com)
$0.40/1 – Nature Valley Granola Bars – (bettycrocker.com)
$0.40/1 – Nature Valley Granola Bars – (boxtops4education.com)
Final Price: $1.10 each before catalina savings

Scenario:
Buy 4 Nature Valley Granola Bars $1.50
(price with in-ad coupon)
Use 2 $0.40/1 – Nature Valley Granola Bars – (coupons.com)
Use 2 $0.40/1 – Nature Valley Granola Bars – (pillsbury.com)
Pay: $4.40 out of pocket, receive $2.50 catalina
Final Price: $0.47 each, when you buy 4 and factor catalina savings