This person said she's had surgery recently and has been out of work since March, and will return in August.

Your real life returns will be slashed due to - higher vacancy rates, high maintenance and repair costs, non payment of rent, eviction filings.Here are some good cardinal rules I follow:1.

.” — Lawrence Yun, NAR’s Chief Economist“The return of sellers to the market appeared stronger than that of buyers, continuing to lift the pool of active inventory and ease competitive pressure slightly over September.

It's simple math of what compounding returns of such will be. 

My financial models are showing a roughly $250k net profit, so a 10% annualized return.

It seems you are the only person who understood the question wanting to know what a seller makes (not even sure how or why you think that).As a typical part of the DD process it is not uncommon to ask for property/entity tax returns.

Just don't expect the wild returns you see some on these forums report.

What a lot of people think:Bonus depreciation is only for new properties or acquisitions.The truth:You can retroactively apply bonus depreciation to property placed in service after September 27, 2017, when the Tax Cuts and Jobs Act passed changing various rules.The IRS allows you to claim missed depreciation deductions by adjusting your current year's tax return, without needing to amend the previous year's returns.This is typically done through a change in accounting method using IRS Form 3115.

@Bryan Mitchell - I haven't heard many out right complaints about the service or noticed many errors in their past returns. 

I just started my due diligence phase, but the first thing I need to do is better understand the financial feasibility for the project, and how the return might compare to other investments we have undertaken in the past, which have been mostly acquiring existing buildings and renovating, not new construction.