Start with free resources like Zillow ... you'll be signing the initial lease agreement with the tenants and probably contacting them by phone a few times over the course of the first year.
Falling behind on rent or otherwise defaulting on lease obligations can lead to serious consequences for commercial tenants, including the landlord instituting legal proceedings for eviction and ...
An agreement ... net lease takes the guesswork out of the step lease problem. You pay the base rent, and when the taxes go up, you pay the dollar increase or your share if more than one tenant ...