From the Discworld books, there are multiple pieces to Sam Vimes' Boots Theory. One of them is that a relatively-wealthy family can own a home with storage space and live in it for generations, and put unused furniture, clothing, etc. in a spare room. If you don't have to keep moving because
Even if you don't believe in the cheap disposable crap comparison, there are so many other ways poverty is more expensive. Not being able to afford/store discount bulk purchases. Installment payment plans and buy now pay later schemes (to say nothing of payday loans!) Renting instead of owning, ffs