The most entertaining and satisfying way to deal with scammers is by scamming them right back. Scammers, whether human or bot, prey on people who are not web-savvy enough to know that Nigeria doesn't have a monarchy and that people reaching out about your car's extended warranty should be more transparent.
The subreddit r/Scams is a place to share warnings and strategies for handling hustlers, and these responses are the most impressive.