Ignore shiny features until you validate ROI. Bias toward tools the team can actually operate. Counterpoint based on what stuck in reality.

Decide this with numbers, not vibes. If the key metric doesn’t move in 14 days, revert. We phased traffic: 5% → 25% → 60% → 100% to de-risk.

Optimize observability before model tuning. I’d approach this a bit differently than most tutorials suggest. Legal sign-off took three weeks; budget that into your plan.