Paying with cash earns one star for each dollar spent.
Paying online through the app earns two stars for each dollar spent.
It takes one hundred stars to earn a "free" coffee.
Bottom line:
- after spending $50 (online) or $100 (in cash) one gets a "free coffee."
Generally:
- a simple cup of coffee costs about $3.00.
Therefore, fifteen cups of coffee (or fifteen visits to Starbucks) earns you a free cup of coffee, which can be had at home for 15 cents or 50 cents (for most expensive K-Cup choice).
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