They might do this themselves if self managed, but even large 3rd party management companies will change their accounting practices in preparation for a sale if the owner so desires.  

I've read a few articles describing the benefit of using a 3rd party like "cozy.com" to collect rents from tenants...one benefit being my routing and account number aren't given to tenants for direct deposit which can evidently lead to issues down the road...however, the main benefit being that a tenant can stall an eviction by direct depositing a portion of the rent owed into my account, thereby, nullifying the eviction process and having to start over since I "accepted" partial payment. 

However, both parties have agreed to sale at a price that I can agree upon. 

The hard part is coming to an agreement.

Works great and is free.When you receive a call, it'll ask you to press 1 to answer, so it gives you an idea that the party calling has dialed your Google voice number.A land line is really not that great, since unless you have that forwarded to your mobile phone, you can miss calls.If you wait long to get back to someone, that can very well be a missed opportunity.

It does happen that an agent can represent both sides of the transaction, but they have to make this aware to both the seller, and the buyer to make the agreement fair for all parties.

An appraiser is a third party that is suppose to give a fair and honest opinion of market value. 

The good part is there is hardwood underneath.

So I see the benefits for both parties so I think it can really work as long as one explains it clearly and honestly.

Real Estate is a agreement between two parties.