The Math on the Starbucks Gold Card

I know I could have done the math myself but Michael at Cruft has done it for me.

Well, in short:

"You need to buy ~156 small cups of coffee, that's just over 3 a week or 13 cups a month
You need to buy ~62 $4 Starbucks, that's just over 1 a week or 5 a month"