I knew a woman once who told people she was a relocation consultant for executives moving to southwest Ohio.
You could say you're an accountant; that'll shut 'em up quickly. When they start asking you tax questions, tell them you're not a CPA, largely because you hate taxes.
You're studying for your real estate license.
Bartender at a place all the way across the Metroplex. That way, you can share some of the stories you've heard using a different occupation as cover.
You live off of passive income generated from a trust your parents left you. Or you are an investor in several real-estate deals that provide you with enough passive income that you don't have to work. (You might need a name or two; PM me if interested.)
A friend of a friend once simply told people, "I have a few sponsors." She didn't give a flip what they thought.
Just use your imagination.