Greg Doherty/Getty Images for Maddox GalleryThe husband of a Formula One heiress has a secret pet peeve: tipping low wage workers.Luxury real estate agent Sam Palmer is married to Petra Ecclestone, who is set to inherit the billions amassed by her father, Bernie Ecclestone, the former chief executive of the F1 group who has an estimated net worth of $2.4 billion, according to Forbes. Palmer took to Instagram on Tuesday, from the couch of his $30.5 million Los Angeles mansion to speak his insanel