PBN to money site?

what about anchor text distribution when using an expired domain?
i mean, on the homepage and old inner pages i already have hundreds of random anchor text + branded + naked.
what is the best approach? is safe to use more exact anchor links considering the states above?

what should be a good percentage of exact/branded/naked/partial/generic in this case?

Imo, a PBN can be made of all money sites given time and patience. Just build quality and natural movement