IIRC - President Trump divested himself - as required - of all his business interest’s.
And $600K in revenue might be equal to just a few days hotel room and expenses, especially for a Saudi.
I’m sure a great Freeper will know more than I though...
Back in the 90s I worked doing accounting in the hospitality industry. One of the things that caught my eye was the line item "postage" for most people it was zero but there were a few people who apparently were mailing entire apartments. All of them had Arab names. I asked and found out that their bar bills were always placed under postage and the government would pay without blinking an eye.