> 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?
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?