That would be like an indicator to me that it's time to pack up and find another life (having to buy strings from Walmart). Just before I ran out of money recently I did the smart thing: I went online and purchased several sets of strings for each guitar so that I'd be in good shape for at least a year or so. read more
The last time I checked, Wal*Mart has a small selection of guitar strings. That said, you're much better off going to a music store where the selection is greater and the strings are fresher. Changing strings is easy as pie once you know how to do it. read more