SeventyFour/iStock via Getty Images Introduction I doubt I'm breaking any news when I say I really like self-storage. Although one could make the case that it doesn't make sense from a diversification point of view, the two REITs in my 22-stock dividend growth portfolio are both selfstorage REITs. Initially, I bought Public Storage (PSA). I then added Extra Space Storage (NYSE:EXR), which has been a REIT I have admired for many years, before finally getting serious about dividend (growth) investing. While I ...