Thomas Van Flein, an attorney for the Palin family, told the Associated Press that the 19-year-old has signed with a firm called Single Source Speakers and is expected to earn between $15,000 and $30,000 per speaking gig. (Her mom is commanding roughly $100,000 a speech these days.) That kind of cash should do a lot to supplement her current income, working in an Anchorage doctor’s office – but it’s hardly the younger Palin’s first foray into the business of advocacy.