Dollar General mixes both inferior goods and normal goods in the same store, often on the same shelf, along set price breaks of $.25, $.33, $.50, $1, $1.50, $2.00, $2.50, $3.00, $4.00, $5.00 , $6.00, $8.00, $10, $12, $15, and $20. Nothing in the store is over $20 and most items are $1 or less. All purchases are cash only.
Dollar General serves both communities that are too small for Wal-Mart to build a store in and inner cities.
Dollar General seems to be immune from the Wal-Mart effect as both the goods obtained from Dollar General and the store format are quite different.