At one point long ago someone tried selling human organs for those who needed transplants, but that was quickly caught by others and he had to shut it down
What is the weirdest thing sold on ebay?
Ian Usher, a British man living in Australia, tried to sell his whole life including his suburban house with all its contents,his motorbike, his job and even his social relationships with his friends to make a fresh start with the money from those. Weird story, you may want to check it out.