Where is the property, how much do you expect to pay for it, does it have split utilities, require substantial capital expenditures? 

I'm estimating: $1600 - $1800 for rent 180K - 220K all-in (which would include some combination of the purchase price + the rehab) 20% Down Payment, 3.5% interest over 30 years Expenses: 2.2% Property Taxes $100-$140 monthly Building & Hazard Insurance 5% Vacancy 5% Maintenance/Repairs 10% Capital Expenditures (Would love to account for a 10% property mgmt expense but that makes it even more unprofitable) Key Question: What is your ideal Buy & Hold deal in Austin (realistically) and how are you flexing your numbers? 

Of course, if large capital expenditures eat up all my cash flow and then some, there is a potential for being cashflow negative, which I would like to avoid.

Are you talking about capital expenditures like roof, hvac etc.?

I make sure to include the 5% vacancy and 5% capital expenditures. 3) If you are going not going to manage it yourself, interview your management company.

Have you found the only property in the world that has no capex(capital expenditures).

If you know the annual expenditures you can determine the cap rate and see if it aligns with your market.

Purchasing my first duplex in the Twin Cities at the end of the month and am researching different software/apps to help manage receipts and tracking expenditures. 

If you made a de minimis safe harbor election, you would examine if any expenditures related to each "unit of property" are less than the de minimis threshold of $2,500. 

I think what is more important is analyzing deals well and accounting for repairs and capital expenditures.