2 links have been added on this idea.
  1. Ironically, “Lego’s 1,500 stock keeping units (SKUs) were for products it no longer made. The company dealt with an astonishing 11,000 sup­­pliers—almost twice as many as Boe­­ing uses to build airplanes.” Looks like they didn’t learn too much from this insight a while back though. Go figure…

  2. Sterling advice here: https://www.wikihow.com/Raise-Children-Who-Think-for-Themselves