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asdffyesterday at 7:26 PM3 repliesview on HN

Another thing to consider is your credit card rewards cash back etc are really trading your privacy for a little rounding error worth of discount in comparison to using cash.

You may also save far more money going cash only. E.g. some local restaurants near me give you like 5% off paying in cash. Gas is generally cheaper cash price vs card price or debit fee. You have a big job with a contractor, tell them you might be interested in paying cash and they might offer you a substantial discount.


Replies

lxgryesterday at 11:36 PM

Many more restaurants and grocery stores don’t, and then it’s 2-5% of cashback vs. 0% cash discount. Doesn’t sound like a rounding error to me.

There are a lot of good reasons to dislike the market structure and game theory of card payments in the US, but please don’t accuse consumers of being short-sighted or irrational.

The only way to break the cycle of self-reinforcing incentives would be swift regulatory action. Absent that, playing the game is the rational move at the individual level for both merchants and consumers.

toast0yesterday at 7:40 PM

> Another thing to consider is your credit card rewards cash back etc are really trading your privacy for a little rounding error worth of discount in comparison to using cash.

How much privacy really? If I get mostly $20s from the ATM, and the merchant does daily deposits of most of the $20s they get, why wouldn't banks start scanning and tracking serial numbers (if they don't already), if my purchasing habits are actually valuable?

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moduspolyesterday at 7:39 PM

Contractors, but also cosmetic health work. Invisalign, veneers, plastic surgery, etc. Probably most big-ticket items or services that you're not buying from a megacorp.

Sometimes they'll give even more than 5% because they can keep it off their books completely, but in those cases, they want physical cash--not just a check to avoid credit card fees.