I have learned to be careful and watch prices everywhere. Sometimes Dollar General will have better prices than the "big" stores and when our local stores markdown or run a good sale they can beat everyone. With seven of us I have learned to look for the lowest price and know which store carries what. And, I've learned never to assume that just because it's Walmart does NOT mean it has the lowest price or that that price will stay the same from one time to the next. I'm doing my best to pass my careful shopping for the best price on to my kids so they are equipped to do the same.
On a canning note: I canned 8 pints of dill pickles yesterday to add to the dill pickles I canned last week. I also have canned a few jars of bread and butter pickles and my next batch of cucumbers will be bread and butter as well.