I think many of us have done our own version of BOP.
More times than I can remember I've been asked, "Can I buy some of your beer? I'm having a (party, wedding reception, fishing trip...) and would like to serve some."
My answer was always the same, "I cannot sell you my beer, but if you buy the ingredients, and help me brew it we can serve some great beer at your (party, wedding reception, fishing trip...)." And more times than I can remember that's exactly what happened.
As it happens, I reconnected with a good friend promoting his rumcakes in Costco yesterday, "Hey Carl, I've got a big promotion coming up on your side of the island in May. I want to serve some homemade beer. Can you sell me some? ..."