White House bristles at conflict of interest concerns:

Asked before he left for the Middle East if Trump might use the trip to meet with people tied to his family’s business, White House press secretary Karoline Leavitt said it was “ridiculous”
1. to “suggest that President Trump is doing anything for his own benefit.”
2. “The president is abiding by all conflict of interest laws,” she said.

Promises of US investment shaped Trump’s trip.

His family business aside, the president wasn’t shy about saying he’d shape the itinerary of his first extended overseas trip on quid pro quo

Trump’s first stop was Saudi Arabia, just as during his first term.
He picked the destination after he said the kingdom had pledged to spend $1 trillion on US companies over four years.

The White House has since announced that the actual figure is $600 billion.
How much of that will actually be new investment — or come to fruition — remains to be seen.

The president is also stopping in the UAE, which has pledged $1.4 trillion in US investments over the next 10 years, and in Qatar, where Trump says accepting the gift of a Boeing 747 from the ruling family is a no-brainer, dismissing security and ethical concerns raised by Democrats and even some conservatives.