The club card acts as unique id to track you.
The credit swiped at the machine has a unique id that they can use to track you.
The club card works across multiple credit cards and cash. That’s the main difference. And you might possibly track 2 people who control the household (wife gets one, husband gets one)
The club card works across multiple credit cards and cash. That’s the main difference. And you might possibly track 2 people who control the household (wife gets one, husband gets one)