BYOC Ann Arbor has a jar wall where you can drop off clean jars (nice jars with lids, not broken or dirty jars - ex of a nice jar would be a cleaned pasta jar where the label has been removed and the lid is with the jar) for other people to use to fill up on products. For each nice jar you drop off you can earn 20 service minutes. You can go anytime before the semester ends. Please send me photos of you dropping off you jars as proof that you did it. Max hours =2