I recently walked past a CVS with my almost-three-year-old and saw a window display blanketed with marshmallow peeps and plastic eggs. “What is that!!” Alice asked, mildly aghast, mostly titillated.

It's time to celebrate! Not only because the warm, sunny days of spring are officially here, but also because Amazon is hosting what is shaping up to be the sale of the season. The Amazon Big Spring ...