Another Trump family member is stepping up their game in the business world.Donald Trump Jr. and Vanessa Trump’s eldest daughter, Kai, 18, just dropped a merchandise line — and it’s quite expensive. The high school senior launched her own website…

(NewsNation) — Kai Trump, granddaughter of President Donald Trump, has launched a new merchandise line featuring sweatshirts with her initials.She promoted the launch in a series of social media posts on Thursday; in one such post, she can be seen…