I think this could be an interesting topic to explore: What are the most unwanted and highly paid jobs, that a rational person might still choose to do? -- There could be some biases, so the job is actually not as horrible as it seems. Or it could be something that people don't do only because of irrational fears. Or something that doesn't seem like making a lot of money, which actually does. Or something else that most people get wrong.

See also: “Searching For One-Sided Tradeoffs” on Slate Star Codex.

You could probably save some money by buying a house with number 13,

See the last paragraph of the post linked to above.