You don't have any loyalty cards?
I don't for that reason. Except for CVS.
Reminds me of a funny story.
Years ago when I was still living in Tuscaloosa and my kids were youngsters (6 to 10) we lived in an apartment complex. There was a Food World a block away, so that was where we did our shopping. And our neighbors did too.
Food World had a loyalty card, and we all signed up. We (the neighbors and I) were talking about it and what Food World did with the info they collected.
4 families came up with a great idea.
Family #1 - Me, my wife and our three children
Family #2 - a single Mom with 2 teenagers
Family #3 - a senior couple (both in their 80s)
Family #4 - a black couple with 2 kids (parents loved to party)
So we decided to confuse the loyalty card databae. Every couple of months, we would switch cards between ourselves. There was no financial data on the cards. Not sure our names were even on them. But I have always imagined the database mg looking at kids foods for a month or so, lots of beer and wine for a couple of months, birth control for a month, and then Depends and Geritol for a month.