Article continues below advertisementDonald Trump Jr.'s private club costs more than $500,000, with one former employee calling it "wild" behind the scenes. "I helped run it," one former staff member told a news outlet in an article published on Wednesday, December 10. "There was wild stuff that went on there."Article continues below advertisementDonald Trump Jr.'s Private Club ExposedSource: MEGADonald Trump Jr.s private club reportedly cost $500,000 per year.According to the former employee, the exclusive Washington, D.C.