Depends what the interest rate is. In my 25 adult years of living in the US, I have seen no “buy now, pay later” scheme for small purchases with no collateral that results in the costs for the financing being less than the gains from investing.
The only one that works is the 2%+ credit card rewards, and that is because people who are not paying with credit cards that earn rewards subsidize those who do because merchants do not offer a lower price for the non rewards payment methods.
The only one that works is the 2%+ credit card rewards, and that is because people who are not paying with credit cards that earn rewards subsidize those who do because merchants do not offer a lower price for the non rewards payment methods.