Agree Realty is a large net-lease REIT, with an attractive yield and plenty of opportunity for growth ahead of it.Agree Realty (ADC -0.62%) has a lofty dividend yield of 5%, which is drastically higher than the 1.3% on offer from the S&P 500 and notably above the 4.3% from the average real estate investment trust (REIT), using Vanguard Real Estate Index ETF (VNQ -0.97%) as a proxy.But is this high-yield REIT the right dividend stock for you? Here's what you need to know.Agree Realty had a tough year in 2011 ...