The difference in cap ex is essentially what makes Springfield viable for him, but not viable for me.

https://www.biggerpockets.com/renewsblog/bp-podcast-197starting-10k-buying-52-units-3-years-chris-heeren/Essentially, it's based on a zero-appreciation, cashflow-intensive model.

Can on cash is just a percentage whereas IRR is the interest rate your essentially paying yourself on the investment.

You need to be sure you are getting at least that $600 on that second unit.Youre paying essentially $100,000 and will get "hopefully" $1,050/mo in rent.   

My goal is to be able to put in a few numbers (purchase price, improvements, closing costs, financing info, revenue assumptions and op ex) and essentially get a full analysis on if a property is worth investing in based on the criteria I've set out for myself.

I feel like I’m being slightly safer than the other essential box stores and am open to being more safe.

-Market: Here are essential macro requirements: RequirementsPopulation100,000 plusPopulation ChangeAny increaseUnemployment RateUnder 8%Median Income$40,000 plusMedian Home Cost$100,000 plusHousing VacancyUnder 20%CrimeUse Judgment-Tenancy: Look out how long tenants have occupied the lots. 

Next, is there any legal way to essentially do a form of cash back to the buyers to cover the cost of the repair?

Finding partners to fill in the gaps where your weaknesses are is essential.

I think this demonstrates the power of two is greater than its sum, and it also illustrates why trust in partners is essential.