Here’s just a part of the advantage a candidate has if they are a billionaire. According to the website, FiveThirtyEight

“Maybe you bought some cool electronics or a new kitchen appliance during all the Black Friday and Cyber Monday sales that helped set new records for e-commerce in the U.S. Former New York City Mayor Michael Bloomberg went on his own spending spree from Saturday, November 23 until Sunday, December 1, purchasing two television advertisements that aired 19,006 times. The estimated cost of all that screen time was $23.7 million, which is more than three times the amount spent by all the other Democratic presidential candidates’ ads during the same time period combined.“