Windows would be my next check-point (less than R1) and then wall insulation: I would not be surprised if they have no insulation inside, but you can do blow-in, which only requires a small hole.A home looses heat in two ways: heat conduction (which you can slow down with insulation) and drafts, which in old houses is usually the biggest culprit.

Having milestones (or checkpoints) is needed when having larger goals to ensure you are on track and keep you motivated.

Miss one, and you might just find yourself drowning in delays or worse and kissing that sweet deal goodbye.Another checkpoint on our journey: third-party inspections.

Meet the contractor each week to confirm progress to give them their payment for that week, checkpoint. 

I know it might not mean anything to you, but it'll be a checkpoint for me.

Allows you to build your process in pipelines with kanban card view.We do some Private lending so this allows us to track loan progress, quality checkpoints, closing and post closing.

or is there a check point along the way the would be more suitable? 

If by some odd reason it's able to escape 4 checkpoints, then **** man I don't know. 

Things pile up fast, and if you skip a day of tracking progress, you can get confused quickly.Also, define very specific checkpoints in your projects, and track budgets, schedule and quality to those checkpoints. 

However, during my time managing renovations for the hedge fund, we were completing over 100 renovations a month and needed detailed, visible checkpoints.