At the very least you'd need people with experience running bare metal, delay product pipeline to work on the transition, train the team, build replacements for

At the very least you'd need people with experience running bare metal, delay product pipeline to work on the transition, train the team, build replacements for all of the AWS tools, rebuild this monitoring pipeline without Cloudwatch. Probably looking at $500k in engineering and staffing and training costs at the very least, just to get back to where you started, not to mention the progress you didn't make on the product.