My father wants to use his SDIRA to provide a loan to the LLC him and I are equal partners in.The loan would provide the additional funds we require to purchase an investment property.The LLC would pay principle and interest at market rate to the SDIRA.Would this be considered a disqualified transaction? 

Newer brokerage policies in our mls have more clearly separated listing and buyer broker fees, so you can likely interview nearby buyer brokers who will provide the service for a set cost or possibly work with you to represent you on an agreed upon sales commission where if seller doesn’t offer to cover it, there’s a minimum you’ve agreed to pay to broker on any purchases that are realized through their service.

It could easily get you through floors, paint, appliances but so much is list and size of job dependent.

Whatever has been provide to any w2 employee you will provide.

Currently, every buyer can call up any agent and they will easily show them any home available on their MLS.

You did a good job of explaining your situation, but I would think I would have more questions before providing any firm advice. 

They don't really provide any tax benefits and their veil is easily pierced by a good lawyer....Just have plenty of good insurance.

For distressed properties I intend to keep as rentals, the buyer pool is greatly reduced and being able to close cash and waive inspections provides a lot of negotiating power. 

However, they also engage with contractors and service providers, suggesting some level of outsourcing.In general, a Housing Authority's management structure will depend on its size, the scope of services it provides, local regulations, and the organization's strategies.

. - LLCs provide minimal legal protection in case of an incident. work with an asset protection attorney to come up with a better plan if they are that concerned. also have great insurance and an umbrella policy.