D-Keine I have been investing in Real Estate Investment Trusts, also known as REITs (VNQ), for well over a decade, and I have made some great but also some bad investments along the way. Back when I started investing in REITs, there unfortunately wasn't nearly as much educational material on REITs online, and as a result, I had to learn some lessons the hard way. Had I known these things, I would have avoided some painful losses and earned even better returns over the years. Here are 5 important lessons ...