At one point or another, many of us have fallen victim to a scam of some sort. Even if it's just a small one, like investing a few bucks into a dumb cryptocurrency right before it tanks, or a larger one, like the Nigerian princes, who probably fill your grandmother's email inbox.

Sometimes, these scams look so real, and even the smartest of us can be fooled. Other times … not so much.

At times, certain scammers just aren't very good at what they do. We're not really here to give them the sort of feedback to help them improve, but it's pretty clear that something isn't working here, and these people should probably consider a different line of work. They're not going to make much money doing this, but it sure is entertaining for the rest of us.

Here are 23 scammers who haven't quite figured out the fine art of scamming people.