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Say you spend €1000 per month. If you use a credit card, you can earn interest on that for an month and only need the money in your current account on the day you pay.

So at 5% annual interest that’s about €4. So yes it’s not huge, but that’s every month for your whole life and it compounds over time.

The benefit is small (it won’t make or break your finances) but real.

That’s what I mean by “inflationary fiat currency” - you are paying in something that constantly loses value. Therefore rationally, it makes sense to pay as late as possible.

In some sense everything is actually slightly cheaper if you buy it on a credit card and pay it off a month later



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