He has also said that NAFTA is the most unfair trade deal, that he wants to tear up NAFTA and that he will tear up NAFTA if he doesn't get what he wants.  
One would need to be as dumb as a sack of potatoes to trust anything Trump says at face value, just look at the 24 million people who will be losing health insurance and medicare so that top income earners can reap a 400 billion dollar tax break.