Most people realize this too late, but some things you buy will end up costing you a lot more than the purchase price. Cars need gas, insurance, and fuzzy dice; clothes need cleaning and bedazzling, and pets need everything from pet insurance to grooming to a collection of bad-ass spiked collars.

And let’s face it: some of those things are really impulse buys that wouldn’t be an issue if you didn’t buy the thing in the first place.

Here’s a chart that shows how much money different pets will cost you over a lifetime. Click through to see which pet is the most expensive – it’s pretty surprising.

(click to see the whole thing)

That’s why it’s so important to have some kind of budget. Without a plan, there’s no telling where your money might end up.

*Dressing your dog up might also cost you friends.