Trump called the 30 billion dollars invested in the war with Iran "mere trifles". Fox News.
He listened to a "very stupid member of Congress" talk about that amount and said the United States earned "many times more" than Venezuela.
The $30 billion figure was announced to Congress by White House budget chief Russell Watt in late June. An independent estimate by Stephen Semler is about $103 billion in the first 120 days of the war (New Republic).