These are all lower $ properties and not the strategy you use.

It may sound nice to pay a 6% management fee but the extra fees can add up to be more than the other company that charges 10% with no additional fees.

Looking for any creative input on how something like this could be structured.Taking part of the purchase price of real estate as a charitable donation and using said deduction to lower your taxes is tantamount to sending a cover letter to the IRS with your return requesting an audit.  

If the agent is doing the marketing, finding the potential buyers and possibly working with other agents to help you secure a deal then I would still charge 2.5% for my listing services and 2.5% to any buyer's agent. 

My accountant was charging $100 each which I thought was a little high they are very simple if you have an easy platform .

A lot of 'off-grid' places are not, which will lower their value and resale ability.Also, you are decreasing your potential market by choosing a venture like this..not everyone will find composting toilets as cool as you and I might.Having said that, I think it could be a great find, if it check all the the boxes.

Basically, lowering the sale price as long as the buyer pays all the owed taxes as well.

If you want the seller to accept a lower offer, you can’t offend them.  

It may sound nice to pay a 6% management fee but the extra fees can add up to be more than the other company that charges 10% with no additional fees.

if you are going to do things like include utilities, or have an off street parking spot, other amenities etc, there's no reason in my mind you couldn't "charge a premium" for a premium unit/service.