They stood in line at Trump Tower, sometimes up to half an hour, handing over their cash for mementos of the president-elect: mini, gold-wrapped chocolate bricks stamped “Trump.” Trump monogrammed sweaters, towels and glassware. Trump cologne. “I bought it for my two sons,” said Shanon Loggins, 47, of Lufkin, Tex., showing off a golden shopping bag embossed with the Trump crest that carried two bottles of “Success by Trump,” a fragrance for men. “They need to be successful,” she explained. Business is good for Donald J. Trump. People are flocking to his Midtown Manhattan skyscraper, dining in his restaurants and...