Buy To Let Secrets You Cannot Afford To Miss By: Lawrence White | May 10th 2010 - More than ten years ago, investing in buy to let was a goldmine. People made double-digit profits for hot properties all the time. However, the economic downturn has affected this industry so that in fact, average yields were down to 5.5 percent in 2007, which was less than half of what it was in the late 1990s. Nevertheless, investing in buy to lets today is not such a bad idea. Tags:buy to let