Cutting Kombucha Costs

Hey dudes!  I purchased a bottle of Kombucha at the 23rd and Guerrero Market last week for $2.75 – the cheapest I’ve seen in the Mission so far.

Question: has anyone found the ‘buch cheaper?  Holler in the comments section; lowest bid gets a free cheap-ass Kombucha.

kombucha[And don't be a dick and tell me to make my own at home, I have neither the time nor the fermentation know-how.]