That&#x27;s why I targetted a specific subsystem. Redoing the whole system, frontend and backend, would have definitely taken much longer than the 48 of 72hr I put in over 3 days. I took the piece of the system that was the gnarliest, rewrote it, and bought us a quick win. Down the road, other vertical chunks of the backend were ripped out and replaced in a similar fashion, once they became the now-worst piece of the system.