High-school teacher Teddy Turner, the son of media mogul Ted Turner, hasn't announced his fundraising numbers yet, though he has been running television ads, a sign he has some real money for the campaign.

The GOP primary is on March 19, with the expected runoff between Sanford and one of the other Republicans in the race to be held on April 2. 

The general election in the GOP-leaning district will be held on May 7, leaving little time for the Republican nominee to raise funds after the primary is decided.