Too many credit cards

[question everything]

Some 10-15 years ago, I would play the games of getting a new card to shift balances from another and get a zero interest rate for several months. One way or the other we have many credit cards. There is the checking debit/credit - used for groceries and doctors visits; the idea that such expenses have to be covered, not deferred. There are the VISAs that we each use exclusively; There is once strictly for mail order drugs - too many. Some years ago, when we traveled overseas, we used Capital One that does not charge foreign exchange fees..

Also the Delta American Express which, when we traveled, we used the miles for upgrade or for part payment. Also save on luggage fees.

Generally we pay statements in full, certainly these days. If there is a major purchase when I know will take me several months to pay, I choose the one with the lowest interest rate.

And then there is Discover. We had it for many years, when we would shop at SAM where Discover was the only one accepted.

I use it from time to time just to... use it.

But as I got the statement yesterday I was thinking that, really, time to start lessening the load. Yes, each statement provides the FICO score which has not changed much this year but otherwise..

Curious about others' experience.