Figured there would be a few data points left out of the equation' that I would need to circle back with :) .There are additional units not rented at this time which could be rented to increase the income.

Income: Verified monthly income must be at least three times the rent (minimum $4,200 combined).

@Alec Barnes we use Debt-To-Income Ratio (DTI) instead of income = 3x rent.Reason?

Bear in mind that the fiscal treatment of the two options in Mexico is different (withholding tax on the gross income with the fideicomiso vs cost deductions with the corporation).

If you did a cost segregation study on the property in the past, you may have to recapture the depreciation taken in the past.capital gain tax rates are 0, 15 or 20%There is also a potential 3.8% Net Investment Income Tax.Also, don't forget state income taxes depending on what state the property is located or your state of residency.Best of luck!

Expanding your portfolio, streamlining tenant management, diversifying income streams, building a network, and planning for growth are also recommended.

For quick math I have a range of each between: 700/yr to 3% of gross income

What kind of savings do you guys have in addition to the income savings each month? 

Income approach Also known as the rental income approach, this method estimates the market value by analyzing the property's anticipated future income and converting it to a present value estimate.

The owner should look at it more like a DSCR, and should be pricing the property and offering terms such that the income from the property is adequate to pay back the loan.