ESU Management Best Practice

I am looking for the best practices for managing ESUs so that they don’t get abandoned in DV or PY.

I’ve heard many discussions on the subject with no real “Best Practice” determined just a bunch of different ways to do things.

So, how do you manage ESUs and/or how do you think they should be managed?

Update with a better explanation…

One of our biggest concerns is what to do with ESUs that do not fix ou