There are drill bits where you can cut a hole in the wall, and actually drill through the wall cavity, above or below, and use the same drill bit to pull the wire back through.https://www.homedepot.com/p/Klein-Tools-3-Piece-Flexible-Drill-Bit-Kit-53721/203913339Something else to consider, the location where the cable enters the home could also be altered so that it enters through the wall into the bedroom, buried underground around the home, even against the foundation.

It also provides Builders Risk coverage for the addtions and alterations as they are incorporated in the building. 2.

So does altering the property in such a way that it wouldn't be eligible for new FHA financing in the future cause a problem? 

Would just altering my current management agreement to include items like financing, profits, and a clause on ending the partnership possibly make the most sense?

During an inspection on an egress window, we got accused or altering a wall arch we'd opened up and rebuilt due to water damage and issued a stop work order.

This is without the interest only option as I run my criteria on base numbers before altering the strategy with tweaks such as IO.

Unfamiliar with this situation, I am looking for advise on how to make a concession in the contract to allow for the theft, unsure what happens if they back out and leave me a heavily altered house.

Generally you try to get the seller to pay the fee or split the fee for the assumption.The assumption is a time when the CMBS lender can hit the buyer up with  altering the loan docs and making more demands for reserves, fees to assume the loan, and changes to the lockbox account.

If the tenants are in a lease then you will not be able to alter. 

But, that will drastically alter your cash flow.Have you looked at just doping a complete cash out refi against the the first loan plus what you're looking for?