I had to balance those two competing forces in my mind while paying down my debts and learning how to deal with likely disruptions to my W-2 day job.

Big ticket items are expensive and usually more difficult and disruptive to install when a tenant is living in your unit. 

“-He signed a lease, missed four months of payments, was dealing drugs out of his apartment, and disrupting the peace of the building.”

I am sure if Sessions can he will disrupt.

I understand the weather has been disruptive, but maybe they could have cut their fees in order for you to cash flow a bit.I would vet his company to see how they perform on the sell side.  

Ideally, if it's a service member self-managing, they'd disclose that to potential tenants and have systems in place to minimize disruptions, but sometimes stuff happens. 

I am the landlord and property manager and can see this being disruptive to the adjoining tenant.  

We raise rent to 50% of the gap between current rent and market rent, to make progress but still reward long term tenants.Long term problem free tenants are good, but tenants who so flagrantly break your rules and disrupt the quiet enjoyment of neighbors are not worth fighting for.

This can potentially disrupt traditional brokerage who insist a certain fixed fee.  

Depending on whether you have plumbing and wiring chases, doing it later can be disruptive to the units below, like cutting out a chunk of wall.