I just want to point out that this attitude is actually strictly rational. Suppose you have a credit card that is not yet at its limit, and you are not accumul

I just want to point out that this attitude is actually strictly rational. Suppose you have a credit card that is not yet at its limit, and you are not accumulating late fees... you can buy a $200 TV in exchange for paying $5/mo in perpetuity, at a 30% APR. Interest rates connect the indefinite future back to the past and in fact they set an equivalent time horizon. So you can phrase the exact problem as asking what cancelling an unused $5/mo Netflix account is really worth to you, and the answer is again $200. The indefinite future of payments is just 1/r, a conversion factor of 40 months in this case. If you are getting into late fees those can triple interest or so, you might have a time horizon only a year off. Or if you are into payday loans and 400%/year interest, the indefinite future is literally only 3 months away, you cannot rationally “think past tomorrow.” At 30%/year your rational time horizon is a little over 3 years. If you then have debt paid back and a retirement account in an S&P index fund and we call that 10% year on year, your indefinite future is 10 years away. “People are willing to save and/or hustle for 5-10 years” indeed, 5-10 years is financial eternity for most people!