Thanks for your interest. Right now, it's basically volunteer, but my friends and Google public events provide food and I record the amount.

Here's what I've written so far on Medium about the topic. https://medium.com/technology-hits/one-organic-recruitment-concept-that-i-would-like-to-explain-is-the-kezayit-897a30d778c1?source=friends_link&sk=965b03a34e8c5b656d4c47eb557c5229