We get the joke, but a photo of a Lamborghini proves nothing. If anything, an expensive car with a loan on it looks more like a liability than an asset. Proof of funds means documentation of money or assets you can actually access for the purchase: bank or brokerage statements, or, in the car's case, the free-and-clear title showing you own it outright with no lien. A photo with no context is a bit of a red flag on its own. The request itself is a standard, expected part of any purchase, whether you are financing or paying cash. Sellers and their agents want to know a buyer can genuinely perform before they take their home off the market for you. Serious buyers understand that and provide the documentation without drama. When someone bristles at a routine request for proof of funds, the reluctance itself tells you something, usually that they may not be as ready to buy as they are presenting. So the practical answer is simple: ask for the real documentation, and treat pushback as a signal worth weighing. Proof of funds is a basic step that protects the seller and keeps the deal moving, and cooperative buyers hand it over as a matter of course.