why is running a card as credit even possible?

Question

USA scenario here: say I have a $2000 car repair bill and use my debit card.
Can’t be bothered to put in my pincode so I hit credit, payment goes through without pincode.
Why does the consumer have the option to pick here?

In: Other

Answer 1

Also, some banks used to only allow a certain amount per day using debit. If you are traveling, use credit, then you can access cash using debit.