Nearly free coffee- every week. You can sign up for a weekly email from Biggby which will include a coupon. Often, the coupons are BOGO (Buy One, Get One Free).
Go to the Biggby Coffee website
Click on B Connected
Click on E-Wards
Sign up with your name, email address, and which Biggby location you go to most (pull down menu to choose).
Now, grab a friend or sigoth, and head to a Michigan based coffee house.