In person retreat. Disclaimer: I went to Microconf several times. Rob, the organizer says, they have 70% cost, so for a $1000 USD ticket they need to invest $70

In person retreat. Disclaimer: I went to Microconf several times. Rob, the organizer says, they have 70% cost, so for a $1000 USD ticket they need to invest $700 for venue, food, getting speakers there. It's not something one can start without a budget. That said small events without hotel nights and all-inclusive food might be possible. Maybe https://news.ycombinator.com/item?id=41539125 https://news.ycombinator.com/item?id=41539125 is a start.