According to Reuters:
Relying heavily on an unorthodox mix of social media, unfiltered rhetoric, and a knack for winning free TV time, the New York real estate magnate likely paid less than $5 per vote during his insurgent White House bid, about half what Clinton paid.
In total, Trump raised at least $270 million since launching his campaign in June 2015, a little more than a third of the money that Obama’s re-election campaign spent in 2012.
And while being funded by big banks, George Soros and left-wing Super PACs, Hillary Clinton raised at least $521 million, according to filings.
It is estimated that the businessman was able to get up to $3 Billion in earned media – thus, spending less and getting more. (H/T: Townhall)