This morning we chatted with a host at MS. He told us that parking,
swipping your card, checking your card for points or shopping is not
considered a day of play for averages unless you put $s in a
machine. We asked him whether it would be better for a h & w who
play once a week for x$ each to play one week under his card for 2x$
and the next week under hers for 2x$. The host said it would be
better, even though frequence of visits is considered as well as
avarage theo.
[Note that you can't use one card if 1 plays tables and 1 plays
machines. Note further that sometimes hosts answer questions without
definite knowledge.]
David