Many coffee shops will give you a discount for bringing your own cup. The standard discount is 10 cents, so if you buy coffee from a shop every day you could save over $35 every year.
Here's a list of shops that provide a BYOC discount--click on the shop name for store locations. If we're missing your favorite shop, email or tweet us and we'll add it.
*Annual savings estimate based on 7 coffee purchases per week.