The balance sheet may not look all that swell on the surface, but once you dig down deep, the long-term debt of the company is primarily lease obligations. The company's liquidity is in good condition. Dollar TreeDollar Tree ( DLTR) operates over 4,200 retail variety stores in the U.S. and Canada, featuring the sale of merchandise from food to household goods for $1. With the unemployment levels of this country remaining at elevated levels, Dollar Tree and its peer group have been in growth mode for several years. Many people who normally shop at normal-priced stores have also begun to shop at Dollar Tree. This whole sector has been the subject of takeovers and attempted takeover in the past few years. Dollar Tree is expected to grow earnings by 22% in 2012 and 15% in 2013. Results have consistently bettered analysts' expectations in each of the last four quarters by an average of 3.5 cents or nearly 4%. The stock sells at 21 times current earnings and has traded with a one year historic volatility of 22.7%. As of the most recently reported quarter, Dollar Tree was one of Dollar Tree's holdings. -- Written by Scott Rothbort in Millburn, N.J.