How to keep a restroom trailer clean during a 3-day festival?
We're renting a 4-stall restroom trailer for a 3-day music festival with about 2,000 attendees daily. There's food and alcohol served, so usage will be heavy. The trailer has flushing toilets, sinks, and requires power and water hookups. It'll be placed on level grass near the main stage, with truck access for delivery and service. I'm concerned about keeping it clean through the entire event without a dedicated attendant. What's the best way to maintain cleanliness? Should we schedule extra service visits, or are there specific supplies we should stock inside?