Discount Variety Retail Chain Dollar General is finding success with its original price point as the Goodlettsville, Tenn.-based discount retailer makes serious traction with its $1 items. Value Valley, which comprises more than 500 rotating items priced at $1, outperformed the chain average in the first quarter with a comparable sales increase of 18.4% year over year. Health and beauty performed particularly well. Dollar General also introduced several new $1 private label i