"Trump has a new tax cut or tariff for every city he visits. Even when it violates his own signed policies or the law," Mark Cuban wrote in an X post on Tuesday.Kevin Dietsch via Getty Images; Stacy Revere via Getty ImagesMark Cuban says Donald Trump seems to have "a new tax cut or tariff for every city he visits."Cuban added that Kamala Harris' team, in contrast, "thinks through proposals before she says them."The "Shark Tank" star on Monday called Trump's proposed 200% tariffs on John Deere "insane."Former President Donald Trump has proposed a slate of intense tariffs that could hit US companies if he's elected in November, and billionaire investor Mark Cuban has some thoughts."Trump has a new tax cut or tariff for every city he visits.