I would say there is a good twenty percent of business came from that. Mondstadt has a long standing drinking culture. Finding something no one has tried before or at least, something done a new way would always drawn attention there.

Festivals are good opportunity to observe and see what people go for and how. Helping out and trading labor for information during regular times will help you build connections for your business and provide information on what people are after.

Though, I imagine you’ll at least have a sustainable business from trading with your fellow Sleepers.