If you are looking for a mixture of reliable dividends and high yield, then look no further than Scotiabank and Realty Income.Dividend investors looking to live off of the income their portfolios generate should favor companies with long and reliable dividend histories. Both Bank of Nova Scotia (BNS 0.71%) and Realty Income (O -0.17%) fit that bill. But right now they are also offering historically attractive dividend yields. That's why you might want to buy now and hold onto these high-yield dividend stock ...