That comes out of the merchant's pocket, who has priced it into the sale price you are paying.
It is not, thus, free money, at all.
On a macro level, that's true. On an individual level, your avacados cost 3% more whether you use credit or debit, it's just your choice to recover 2.5% from that back in rewards or not.
On a macro level, that's true. On an individual level, your avacados cost 3% more whether you use credit or debit, it's just your choice to recover 2.5% from that back in rewards or not.