When I originally stared this, I had very naive ideas in terms of what this would cost financially, emotionally, even physically -- the sheer amount of energy required not just for the writing, the shooting, but for the long run, the marathon that comes after. I Every Twitter post, thumbnail design, ads, editing -- exhausting.
My biggest lesson boils down to this: find people you trust and who believe in the project. There needs to be some level of shared passion in the absence of a big budget. That's the payoff, that's the gas in the tank that will keep you running, even if it's on fumes.