Tenant basically said they would agree to current market rate if landlord pays the new commission, or at a lower rate they would cover the commission.  

These new processors even tried to get the listing agent and myself to give up our commissions.

A good PMC can assist with all of that for a Placement Fee.NEVER trust a real estate agent to do your screenings, as they have a conflict of interest - they won't have to deal with any tenant issues once you pay them their commission.

A DST traps you for a long time and you have to pay commissions and fees on lousy yields of 5%. 

You could also partner with another agent who can drive, splitting commissions in exchange for helping with the logistics.On the job front, networking is key.

Let's go over some examples and show me where you think the buyer is harmed:My opinion/perspective: The buyer has really been paying for the buyer agent commission all along.

Any deals you push their way can earn you a commission/referral fee.

Who’s paying the transfer taxes, title insurance, property taxes, etc etc. what if you don’t net enough to pay realtors commissions and your realtor commissions does your dad take the loss?

Commission is 50%.

If he refuses and especially if he was an agent on this deal, I would report him to the local board of realtors and possibly also to the state's real estate commission.