Trump's latest backpedaling about "tolls" amplify what has been loud and clear since he rode down that escalator:
Nothing he says should be taken seriously.
Trump lies as a policy, and will say anything to appease his low information supporters or himself.

A Few Examples:
Frequently claimed he personally created and passed the Veterans Choice Act, though the legislation was actually signed into law by President Barack Obama.

Claimed that his military operations completely "obliterated" Iran's nuclear capabilities.

Said:
"My cognitive test results showed he has extreme intelligence!"

"Consumer confidence is way up."

"I’ll take jobs back from China; I’ll take jobs back from Japan, The Hispanics are going to get those jobs, and they’re going to love Trump!"

"Already, I’ve secured a record-breaking $18 trillion of investment!"

"Drugs entering our country by sea are down 97%!"

"I was elected in a landslide."

"I’ve settled eight wars in 10 months."

"The 2015 Iran nuclear agreement gave Iran the right to have top-of-the-line nuclear weapons."

"My ‘most favored nation’ policy is going to bring down the price of prescription drugs by 500% or more!"

"The Maduro regime released thousands of prisoners and mentally ill people into the United States."

"The former U.S. childhood vaccine schedule called for babies to get 72 injections."

"Each strike on a Venezuelan boat saves 25,000 American lives."

"The banks received all their money back. They made a lot of money. There was no victim." (Trump lying about his bankruptcies)

"Virtually every person that you read about on the front page of the business sections, they've used the bankruptcy law."

"Trump University has a 98% approval rating from its students, it's a fantastic school!"

"The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive."

"You know, it doesn’t really matter what they write as long as you’ve got a young and beautiful piece of ass!"

"Ouch my head hurts!" ~Dope1, Cognitive dissonance is the psychological discomfort a person feels when confronted with information that contradicts their deeply held beliefs.

cnbc.com - Donald trumps most outlandish quotes about business and the economy

politifact.com: Fact Check Posts – PolitiFact