They also allow the seller to get a higher purchase price.If they want $25k for the land if it’s cash up front, they could easily get something like $12k down + $400 a month for 5 years at a 10% APR for an owner-financed sale.

Instead of real estate assets, their heirs can receive easily divisible shares in the Operating Partnership that can be much more easily liquidated upon passing of the estate.

Having the right team is 100% your best strategy to win in Real Estate, especially with a Renovation Loan that allows you to purchase a home as-is and make all repairs/improvements post closing with budget (money) in the bank, ready to go the day after closing.

With regards to issues involving the contract, it's literally "Charlie Brown teacher" to my ears.Also, only offering MTM leases allows you to more easily mitigate a tenancy where someone is acting incongruent with your initial impression of them.

I personally go out of my way to be easily found, particularly by brokers.

If you want to enter into a partnership where you bring the equity, focus on finding a partner who has demonstrated the ability to add value not as easily obtained through fee oriented services. 

The CPA gave me my adjusted tax amount from which I could easily figure out what the tax rate would have been but my real estate made my effective amount negative and I have a carryover to next year.

It has to be a win-win. 

Also to answer your question, I would not back out of the deal because of this or some other minor issue that can be easily fixed, it seems like you have all the financials thought and planned out, continue with it if possible and don't lose it because of that. 

As a result, we're able to retain the full pet fee, creating a win-win-win situation for everyone involved.