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How do the wealthy pay for things?
While you would probably not use your ATM card to buy a $1M worth mansion, I've heard urban legends about people who bought a house on a credit card. While can't say its reliable, I wouldn't be surprised that some have actual factual basis. I myself had put a car down-payment on my credit card, and had I paid the sticker price, the dealer would definitely have no problem with putting the whole car on the credit card (and my limits would allow it, even for a luxury brand). The instruments are the same. There's nothing special you need to have to pay a million dollars. You just write a lot of zeroes on your check, but you don't need a special check for that. Large amounts of money are transferred electronically (wire-transfers), which is also something that "regular" people do once or twice in their lives. What might be different is the way these purchases are financed. Rich people are not necessarily rich with cash. Most likely, they're rich with equity: own something that's worth a lot. In this case, instead of a mortgage secured by the house, they can take a loan secured by the stocks they own. This way, they don't actually cash out of the investment, yet get cash from its value. It is similarly to what we, regular mortals, do with our equity in primary residence and HELOCs. So it is not at all uncommon that a billionaire will in fact have tons of money owed in loans. Why? Because the billions owned are owned through stock valuation, and the cash used is basically a loan secured by these stocks. It might happen that the stocks securing the loans become worthless, and that will definitely be a problem both to the (now ex-)billionaire and the bank. But until then, they can get cash from their investment without cashing out and without paying taxes. And if they're lucky enough to die before they need to repay the loans - they saved tons on money on taxes.