Very surprised this topic hasn't come up yet, given the frequency it appeared in the past.
Trump family’s elaborate lifestyle is a ‘logistical nightmare’ — at taxpayer expense
On Friday, President Trump and his entourage will jet for the third straight weekend to a working getaway at his oceanfront Mar-a-Lago Club in Palm Beach, Fla. On Saturday, Trump’s sons Eric and Don Jr., with their Secret Service details in tow, will be nearly 8,000 miles away in the United Arab Emirates, attending the grand opening of a Trump-brand golf resort in the “Beverly Hills of Dubai.” Meanwhile, New York police will keep watch outside Trump Tower in Manhattan, the chosen home of first lady Melania Trump and son Barron. And the tiny township of Bedminster, N.J., is preparing for the daunting prospect that the local Trump golf course will serve as a sort of northern White House for as many as 10 weekends a year. Barely a month into the Trump presidency, the unusually elaborate lifestyle of America’s new first family is straining the Secret Service and security officials, stirring financial and logistical concerns in several local communities, and costing far beyond what has been typical for past presidents — a price tag that, based on past assessments of presidential travel and security costs, could balloon into the hundreds of millions of dollars over the course of a four-year term.Trump’s three Mar-a-Lago trips since the inauguration have probably cost the federal treasury about $10 million, based on figures used in an October government report analyzing White House travel, including money for Coast Guard units to patrol the exposed shoreline and other military, security and staffing expenses associated with moving the apparatus of the presidency. Palm Beach County officials plan to ask Washington to reimburse tens of thousands of dollars a day in expenses for deputies handling added security and traffic issues around the cramped Florida island whenever Trump is in town. In New York, the city is paying $500,000 a day to guard Trump Tower, according to police officials’ estimates, an amount that could reach $183 million a year. This month, The Post reported that Secret Service and U.S. embassy staffers paid nearly $100,000 in hotel-room bills to support Eric Trump’s trip to promote a Trump-brand condo tower in Uruguay.
Then there's this bit:
For Trump, the costs come with an additional perk: Some of the money flows into his own pocket. While Trump has removed himself from managing his company, he has refused to divest his ownership, meaning that he benefits from corporate successes such as government contracts. The Defense Department and Secret Service, for instance, have sought to rent space in Trump Tower, where leasing a floor can cost $1.5 million a year — though neither agency has disclosed any details. In addition, Trump’s travel to his signature properties while trailed by a press corps beaming images to the world allows the official business of the presidency to double as marketing opportunities for his brand.