So, from a sales perspective as a landlord, it may not be the best tool.

The best way you could benefit them would be referring your leads that don't go the wholesale route to them, but to make this effective you may want to partner with a newer agent.

The split roll won't effect any residential real estate.

He hasnt been at the jobsite for 2 days left all there tools.

But its likely you are simply overestimating the effect of an inquiry. 

@Jonathan Stastny There are a million tools off the shelf, but none built for your business model exactly.

Was there a successful resource or tool used outside of a general broker in a specific locale?

;)I will try a postcard next month, and see if keeping consistent contact and message proves effective in the future.

Over the course of a few years, you have great baselines built up and can then more effectively negotiate with your property manager to reduce these fees, especially if you have a substantial number of units.  

With the custodian approach, they hold the funds, sign every document, cut every check, and receive every deposit.If your investment interests are more dynamic, and will involve multiple assets or assets that require a lot of transactions such as rental property, then a plan offering checkbook control such as an IRA-owned LLC will be more more effective and efficient.