I guess my core question is: do they keep the cash in the house, or do they use cash just as a vehicle for the purchase, and then finance the cash out of it? B

I guess my core question is: do they keep the cash in the house, or do they use cash just as a vehicle for the purchase, and then finance the cash out of it? Because there was a concurrent trend to refinance houses at 2% loans and put the cash in the stock market, which is assumed to beat that 2% over the duration of the loan.