He is not running as a 3rd party or independent candidate. Both CNN and the Washington ComPost have completely taken his words out of context - AGAIN, and FReepers have knee-jerked and fell for it - AGAIN.
Dr. Paul doesn't believe in absolutes, which is why his real statement was this: "I have no intentions of running 3rd party, I'm 99.9% sure." He told his wife that he wouldn't run 3rd party, for God's sakes.
As far as the money, all of it is from individual donors across the political spectrum.