Load your vehicles up with food and water. Bring plenty for you and others. Fill your packs with it and break bread with others.
FOOD is the secret to great turnout at any event. Food means you can party for a LONG time! Eating food together UNITES people as a family!
Proteins and fats are critical, and carbs will help those not used to walking all day keep going.
Clean water is super important too.
Armies march on their stomach!
In all seriousness, it'll be a problem. Luckily there'll be enough people to open closed businesses if they dont choose to be open for protesters. If a business or facility with a flushing or portable toilet cant be accessed, or we dont want to violate their rights (even though theyd lick blms asses clean in the same situation) then sewer grates are probably the cleanest method of disposal. After that, parks/dirt will do. Enough people doing that can kill the plants, but its better than alleys and dumpsters. If you can find a van with democrat stickers on it that isnt on fire, then feel free to use that. Theres a product called a she-wee that might be useful for some, and its probably a good idea if everyone brings some flushable wet-wipes and maybe even dog mess disposal bags.
Basically though, that aspect of this protest is gonna suck worse than the fyre festival.
Remember: Starbucks can’t turn away non-patrons, now!