The Points Guy points to an offer of 3,000 Free British Airways Avios Points for trying out the Realtytrac service.
Realtytrac allows you to research real estate properties at a cost of $49.95 a month. They do offer a 7 day free trial and people have reported receiving their points even for the free trial.
Simply login to the British Airways e-store and search for Realtytrac to take advantage of this offer.
If you choose to cancel your free trial, you can call them at 1-877-888-8722 or by going online to realtytrac.com and selecting “My RealtyTrac” >> “My Account” >> “Cancel Free Trial“.