Scaling Up to 500,000 Forecasts on a Laptop

With those 15 KPI forecasts you might be able to get it to run on your laptop with no problem but let's start there start talking about scaling it to 500,000 forecasts. Nothing that touches the eyes of another human at a company should ever run on your personal computer ever as a data scientist should always be CI CD involved unit testing they should be orchestration management and all production ML stuff. If you're running something on your own computer talk to a software engineer company and get some ideas or DevOps person and they can train you up or just read some books on how to do that stuff.