I do the management, which includes all the heavy lifting from finding and analyzing the deals, to managing the partnership/business and all that entails.  

If you hired a specialist who is qualified to assert that there is presence of mold requiring mediation then they should provide you with a letterhead letter stating their findings and recommendation on remediation.

Typically, that entails you permitting the tenant to fund those sorts of modifications to the unit, with you retaining control over who is hired to do work and the quality of workmanship and materials.

When you say replacing "some" of the drywall, how much does that entail?

Others like improving properties and have an "eye for beauty and design" and they become really good developers and rehabbers.To be a good landlord - specially of multi-family, you have to be detail-oriented, you have to know how to read people, you have to be assertive & firm (otherwise, your tenants will walk all over you) and you have to be very patient (because the real money in real estate, specially with multifamily is made over the long term).

Now they i know i can better gear myself to come across more assertive than as what most people would call “normal” again thanks to all

What all does your project entail?

@Wayne Brooks and @Theresa Harris have the general approach that I would take as well -assert your ownership. 

-We review the "quiet enjoyment" clauses with them and ensure they understand clearly what that entails.

Best idea is to find something else to do, like help someone with a bigger problem and forget yours for now.The issue remains that in order to acquire title, you must either obtain an interest of an heir and perfect with probate or obtain a court order asserting a different claim and perfect that claim.