There are two things that’ll earn you a boat load of Starbucks stars:
Wait for targeted offers like setting up an auto reload for 12 free stars (good for one free drink/food item)
Big Hat Tip to Poor Student Blog for this one.
It was mentioned in my post Maximize Starbucks Stars and about earning stars when you gift card churn at Starbucks. I am here to report that it is confirmed and you do earn a star buying gift cards with your registered gift card.
The opportunity to earn free stars for every gift card purchase is really amazing for free stars, but I won’t be purposefully manufacturing stars like that. It doesn’t seem right to me