While there may be some merit to the idea that you get what you pay for, it isn’t true in every case. While the price of an item should be an indication of its quality, it isn’t always. When you spend a few hundred dollars or less on an item that doesn’t turn out to be worth the price, it’s not generally a big deal. When you spend several thousand dollars or more, it can actually lead to financial ruin. Here are 3 big purchases that can actually break the bank when you don’t do your homework.