This is fine, however it is showing you have volatile income because of your unpredictable paycheck.

However, as we go through a volatile market with lots of uncertainty in real estate, there is a lot of uncertainty around the ?

Real estate also is much less volatile.

Now you will need to show, especially in this current volatile market - and most see a recession coming, another 9 payments. 

The biggest factor in how long a pre-approval is good for is volatility of rates - if they rise sharply then you likely won't be able to qualify for the same size loan as before.

Now run the same exercise for the principal paydown and factor in some cash flow / tax benefits on the side.You cannot get returns anywhere near this in the stock market or any other alternative with such certainty and low volatility.

Especially with smaller more volatile companies, which are more easily manipulated by large volume trades.

Interest rates are pretty high right now, and the market is a little volatile.

There is a lot of volatility in capital markets right now, so if it sounds too good to be true, it probably is. 

Property taxes tend to be more stable over time because property values are less susceptible to economic volatility than income and sales tax.