Well, once you have $2,000,000 in your TSTO bank AND you've built at least one Aspirational item i.e. Escalator to Nowhere, Popsicle Stick Skyscraper, Cubic Zirconia, The Sunsphere, Sit-N-Rotate, Krusty Burger Oil Rig or Fortress of Choclitude…you'll unlock the Road to Riches tasks.