This is only a brief summary. For more information, please visit the Yum Yum Market page at Bully Wiki.
The store initially sells flowers, chocolates, eggs, and sodas. After they are unlocked, cans of spuds and spray paint can be purchased as well. Inside the store, oranges, assorted produce, and other household objects can be seen.
Both the Bullworth Town and Old Bullworth Vale stores are managed by Mr. Oh, and the one in New Coventry is managed by Stan. The owner of the chain lives in Old Bullworth Vale, and knows Tad Spencer's family.