In this Part 2 of my Altium Develop BOM Manager walkthrough, I keep updating the NVIDIA Jetson AGX Orin carrier BOM the way a senior hardware design engineer actually does it in industry. The whole point is to stop treating your BOM like “just a spreadsheet” and start managing it like a real supply-chain-aware document you can share, review, and iterate with a team. I show how to invite collaborators into the environment, how I think about alternates, and why this tool is saving my life when you’re staring down hundreds of parts and thousands of flags. I dig into supplier strategy—adding and tuning your favorite distributors (Digi-Key, Mouser, Newark, RS, Conrad, etc.), adjusting by country, and using checks that surface real problems like MOQ quantity bumps, missing offers, and description mismatches. Then I walk through the messy reality: a part showing “green” but having zero stock, chasing manufacturer part numbers across Digi-Key/Octopart, and realizing an “alternate” might be the wrong voltage rating or even the wrong package. The takeaway is simple: supply chain issues are huge, and you need a workflow that helps you move fast, stay professional, and keep your manufacturer from hating your BOM.