Grumpy Cat became one of the most beloved Internet celebrities with her dour expression. What’s especially amazing is how Grumpy Cat not only became a worldwide phenomena but how Grumpy Cat also made her owner independently wealthy.

Of course the question is how wealthy? While there are no hard statistics, the fact that Grumpy Cat’s owner could quit her job and devote full-time to managing Grumpy Cat’s intellectual property tells you all you need to know. Grumpy Cat likely earned millions of dollars over her lifetime, which shows that cats can be more valuable than you might think.

Even if your cat doesn’t bring you a million dollars, it will bring you happy memories for a lifetime, and that’s worth owning a cat in the first place.

To learn how much Grumpy Cat may be worth, click here.