If you purchase less than your sale or if you take cash out from the 1031 you will pay tax on it as profit.However, If  you want to accurately calculate your tax position in a property you must calculate the adjusted cost basis.  

Greetings,I am using the BP Rental Calculator help me evaluate potential rental properties, and attempting to be as accurate as possible. 

You are looking at a extreamly high risk gamble regardless of your past experience.

Any advice on finding an accurate listing of flood zones?

But it seems pretty accurate considering the recent renovations the city’s has done and with the new ones on the way i feel the houses in the area are only going to continue to rise.

Then I could get an idea as to how accurate my numbers are (if I'm consistently willing to overpay then my calculations are obviously flawed, same for if I'm coming out with a very low number).

Thanks again, this app is amazing... so easy to use and very accurate.

That being said, you reiterate numbers that you can accurately portray and stress your worry as you do here in potentially losing the investment opportunity.

Some people hedge their bets, and go 50/50 fixed/variable (or some other ratio according to their best gambling/research beliefs, but then focus on paying one down quicker than the other once rates actually change). 

Currently he is clearing roughly 2300/month in rent after deducting utilities, which at 115k purchase price is at the 2% mark, assuming @Joe Villeneuve's calculations of 550/month in cashflow is accurate, that puts it at roughly 23% CoC assuming 25% down payment.