List of shops in Mario & Luigi: Bowser's Inside Story
From the Super Mario Wiki
Shops are small stores that sell goods during the events of Mario & Luigi: Bowser's Inside Story. Each good has a different amount, depending one the quality and value of each one. Each shop sells Mushrooms, Drumsticks, Nuts, Syrup Jars, and Refreshing Herbs. Along sides the items, few shops also sell Clothing and one even sells Badges. Shops are mostly found in Bowser's Body and towns located across the Mushroom Kingdom, a few shops being in Toad Town.