In fact, fellow storage REIT Public Storage (NYSE: PSA) -- which has recently expressed interest in buying Life Storage -- has said its properties can break even with just 30% occupancy. Stock market volatility has picked up in recent weeks, as the crisis in certain regional and international banks has made investors uneasy, and inflation has proven harder than the Federal Reserve expected to get under control. Just to name a couple of examples, Walgreens is a top Realty Income tenant, and sells products that people need no matter what the economy is doing.