B1G1F or BOGOF = Buy One, Get One Free
ECB or EB = CVS Extra Care Bucks
MQ = Manufacturer's Coupon
OOP = Out of Pocket
RR = Walgreen's Register Rewards
SQ = Store Coupon
WYB = When You Buy
YMMV = Your Mileage May Vary (this means it may vary with store/manager)
.75/1 = 75 cents off one, etc.
$1/2 = $1.00 off two, etc.