Dear Reader, When I don’t want to spend money, then I don’t go in the store, because browsing can lead to new shoes that I didn’t know I needed. But who would’ve dreamed that walking through a pet store could be just as tempting? Headed for the cat food aisle, I walked by a cage and heard a familiar high-pitched “screech, screech.” I bent down, and staring back at me was a multicolored guinea pig, just like the one we used to own. Pets quickly become one of the family in our house, even guinea pigs. When my husband and …