Most projects don't run late because the work is hard. They run late because the scope quietly triples between the first message and the first line of code.
So we do the opposite. We find the single thing the product has to do, build that properly, and ship it — often within a day. Everything else goes on a list and waits its turn.
Here's what a 24-hour prototype build actually looks like, and why the duck is always watching the deploy.