People tend to check in during these times:
America runs on Dunkin', and DD Foursquare runs on You.
Free wifi and friendly customer service!
Avoid going between classes! I always try to go during "off" times to avoid long lines.
Come late in the evening...I came up late at night and I got a freebie with my purchase.
Bacon egg and cheese on a toasted with butter blueberry bagel.. Its amazing! Add a medium Vanilla Chi and your morning is set!
The best iced coffee and the employees are so great!