Consult a CPA who knows what he is doing and file this:  Notice of Inconsistent Treatment I have done this several times for investors who got screwed by the GP. 

I'm seeking actual rates and fees people are paying for their money. 

Readers are advised to seek professional advice.

However, the exact treatment may depend on your accounting method (cash vs. accrual basis), but most individual taxpayers use the cash method, meaning they typically report expenses when paid.

Readers should seek professional advice.

Many syndications provide tax benefits such as depreciation, which can offset income, and some offer favorable capital gains tax treatment when you sell.Municipal bonds are another tax-efficient way to diversify, as the interest earned is generally tax-free at the federal level, and sometimes state level too, depending on where you live.

A prudent investor doesn't seek quick riches through shortcuts.

I'm not sure if I need goal seek or it can be done with an equation.

If you are younger and seeking to rapidly build a cash flowing portfolio, if you are wanting to continue 1031'ing into bigger assets, or if you do not have the cash to take down entire deals without financing, leverage makes a LOT of sense.If you are retired (or rapidly approaching retirement with a level of uncertainty or concern about what your post-retirement income will look like), it could make sense to begin paying off properties so that you reach a point where your expected monthly cash flow will exceed what you need to live comfortably after retiring.

Mindset is key and just know that this is a business and you would be actively seeking clients and every day you wake up your working for the paycheck you receive in 30-60 days.