The ALPS REIT Dividend Dogs ETF (NASDAQ:RDOG) is a concentrated bet that the highest-yielding real estate trusts in each property sub-sector deserve a spot in your income portfolio. RDOG currently throws off a 6.3% trailing yield from a portfolio of 42 REIT positions, paid quarterly, and that fat headline number is exactly why income investors ... The real cost of chasing REIT dividend dogs in a 4.4% rate world