Believe it or not, you can score some great deals at the drug stores. In fact, I've been able to cut my household/grocery budget significantly just by shopping the deals there.
Doing the drug store deals can become overwhelming even for those that have been couponing for some time. So I suggest starting with one store to get your feet wet, especially if you are new to couponing. It takes time to figure out how to work each stores "loyalty" program. Once you feel comfortable with one, you'll have the confidence to shop at the other stores.
To quickly find the current week sale ad or hot deals for a certain drug store, just click on the store name in the "label" section on the left sidebar.
CVS has a loyalty card called the ExtraCare Card. When you buy certain products and use your card, you have the possibility of earning ExtraCare Bucks (or ECB's). ECB's are like cash but can only be used at CVS and usually expire a month after printing. Go here to read more about how to do the deals at CVS.
Walgreens uses a program called Register Rewards (RR). The RR's print out at the register when you purchase certain items. RR's are manufacture's coupons (unless noted) that you can use like cash at Walgreens. They expire within two weeks of printing. Go here to read more about how to do the deals at Walgreens.
Rite Aid has two money saving programs. One is their monthly rebate book. Each month they offer rebates on certain products. You can pick up the monthly booklet in the store on look at it online. What is really useful is that you can submit your refunds online. I haven't done a rebate with them in sometime so I'm not familiar with any changes to the program. The other program is the Up+ Rewards. For that one you have to have their loyalty card which is called the Wellness Card. How it works is similar to CVS' ECB program. When you purchase certain items noted in the weekly ad, you will earn Up+ rewards that can be used like cash on items at Rite Aid. They usually expire two weeks after printing. In addition, certain purchases will count towards Wellness Rewards which is a % off your purchases when you reach a certain dollar amount. Go here to read more about the Up+ Rewards at Rite Aid.
In my area we had 3 RA stores at one time. We are down to just one store here. This store was an original K&B Drug Store which is very small so stock may be limited.