Good thing money is free and not held in majority by a small group of people already politically co-ordinated to only allow two options to you for the sake of pretending the US isn’t a one party state.
Also if it was all about fundraising, Bernie would have been president, but it isnt about fundraising, its about who’s funding you.
Oh then it’s okay he didn’t even try anything until he realized he was so unpopular people are asking him to step down.