The most important thing when it comes to voicemail is to give a person a reason to call you back!
WRONG:
Hey, I saw you online looking for homes and I just wanted to know if I can be of service in case you have any questions. Guess what? They can have all the answers they want online!
RIGHT:
Hey Crystal, I was just calling about this property that you just looked at 123 Main Street and I have some updates for you!