Your base level no fee cash back card should be 2%, not 1.5%. Citi and Fidelity have cards that are examples.
Regarding the algorithms for things that look like fraud: https://www.reddit.com/r/CreditCards/comments/hze1ir/do_not_do_this_if_you_want_your_credit_card_to/
Your base level no fee cash back card should be 2%, not 1.5%. Citi and Fidelity have cards that are examples.
Regarding the algorithms for things that look like fraud: https://www.reddit.com/r/CreditCards/comments/hze1ir/do_not_do_this_if_you_want_your_credit_card_to/