Im not sure if your profession, a CPA is eligible for the 20% pass through deduction (I think you are not if I remember correctly) but for those that are you can thank the Realtors that volunteered to lobby to get that included in the tax bill as we were the driving force in getting it into the bill. 

That would let you control the tax bill on the entirety including the 650 and the 350. 

And that includes you mid sized "lease a 50,000 sq ft warehouse" growers.Can you grow anything (corn, wheat, soybean) in competition with agribusiness once agribusiness has had time to ramp up production?

You would file your return next year as a Nonresident Alien and include the relevant interest income on your return.

Once you include HOA costs, condos often/usually don't show a positive cash flow, once fully leveraged.Have you already found a Lender who will loan you 80% ARV for an investment condo?

You need to invest both money and research over time, which includes reading a ton, like @Jose Matuk mentions.

In many states including Texas, depending on the value of the husband's estate, there may be expedite processes to either get court orders that the property you want to purchase belongs to the Widow or to get the Widow Court authority to complete your transaction.

It's a very old property (late 1800s), so I will be wanting to set aside a good chunk of money in a reserve account for maintenance and Capex.I'm currently self-employed and write off everything under the sun (that's legal, of course) on Schedule C including all home office & related deductions, most of my automobile miles, cell phone, etc, etc, etc. 

Most lenders will not include the rental income and/or some will include 75% - question to ask them

Some things it may include:1.