Flip or Flop ’s Tarek El Moussa and Christina El Moussa aren’t the only house-flipping reality TV stars making headlines. In Touch has learned another wealthy TV real estate personality with a similar business model — former A&E Flip This House star Armando Montelongo — is being sued in Texas by nearly 200 plaintiffs who allege his company’s $1,500 seminars were simply ruses to sell more …