Heath Jones is a US Army neuroscientist whose side hustle is scooping up real-estate properties for passive income. Here's how he leverages a simple strategy for extra cash.

· Heath Jones — a US Army neuroscientist, co-host of "The Multifamily Real Estate Experiment Podcast," and co-owner of H Squared Capital — started investing in real estate after his income was reduced by 15%.
· Jones employs a simple, incremental value-add strategy which focuses on increasing the net operating income of a...