Opera singer Jud Arthur has announced that he has decided to invest in “Advertrader,” a “one-stop shop” that provides businesses and organizations with all their advertising needs.  “Advertrader” was founded by financial marketer Rupert Hadlow, talent agent Mark Hedger, and a team of seasoned advertising and sponsorship professionals. “Businesses are struggling to findalternative options when it comes to advertising, that’swhere I think Advertrader can {…}