In comparison, he's spent only $1.8 million on polling in this time period.
Earlier this month, Trump told a rally crowd in Colorado Springs:
Even though we're doing pretty good in the polls, I don't believe the polls anymore. I don't believe them.
If there's ten, and if there's one or two bad ones, that's the only one they show. Believe me, folks, we're doing great. If we keep our spirit, and if we go out and win.
At the time, Hillary Clinton was beating him by an average of seven points nationally.
In August, Trump named Kellyanne Conway, a pollster, as his new campaign manager. She tried to push him towards more traditional campaign methods surrounding advertising, field operations and targeting key demographics, in order to get the vote out.