Trulia reduces the time it takes to respond to online leads. The odds of successfully contacting an online lead are 100 times higher if the lead hears from an agent within five minutes of submitting an online form. With programmable voice and SMS, real estate agents are instantly connected on a call with a new lead, or sent an SMS with lead details.
Once you've collected your mobile numbers, verified that you have followed all of your legal responsibilities you can start your SMS marketing campaign. I'd suggest using a 3rd party service provider to ensure that you are able to track the return on investment for your campaign, embed an unsubscribe message, and easily manage your SMS marketing database including unsubscribes.