If you venture into the fetid lands of Internet marketing, be forewarned. Nothing is as it seems. — Chris Waller’s handsome 20-year-old smiling, mugging face is all over YouTube promising to make you rich just like him. His final video, on November 22, 2019, before his death 53 days later on January 14 at the age of 20 was called “Facebook Targeting for 5 Trending Products (EASY).” “In…