Why shouldn’t I borrow to buy something that depreciates?

‘Why shouldn’t I borrow to buy something that depreciates? According to the Cambridge Dictionary depreciate means “to (cause something to) lose value, especially over time”. Lets say that you want to buy a house that is $60,000 and you don’t have enough money, well you could probably borrow some money from your parents (they would probably say no, depending on how much it is), but lets just say that they lend you $30,000 and you buy the house. After six months you are still trying to pay your parents back. Six months later you figure out that the house you bought had gone down by $10,000. You realize that you could of saved a lot of money and not owe your parents so much if you had just decided to buy the house a year later. Same thing with everything else. If you see a toy that you really want and you buy it for $20. Later you are at the same store and you see the same toy, but it’s on clearance for $10. You realize that you could of saved $10 if you would of just waited a month to buy it. Here’s a challenge next time you are at the store and you see something that you want wait a month or two and it will probably be cheaper by then.