Panera has this subscription plan called 'Sip Club,' which normally costs $15 a month. When you first register
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Panera has this subscription plan called 'Sip Club,' which normally costs $15 a month. When you first register, you get 3 months free. So, hypothetically, if you changed your email and made an account every three months, you could get free drinks for the entire year. They have coffee, tea, soda, some juices, etc. It's always worth getting when you'll be studying in the Union for a while.
This is more of a side note, but a whole baguette at Panera costs $3 and they give you free butter. If you're studying with a group of friends in the Union, it's incredibly cheap and filling.