Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

I can see exactly how much rent I'm collecting, what my costs are, and even how much profit I'm making on each property.

Start with resources like "The Richest Man in Babylon" and "The Millionaire Real Estate Investor."

I am sure many would  consider other investment strategies besides  continually recycling their capital collecting  homes that are propped up with appraised values that are not attainable if the properties were marketed for sale.   

If the taxes were increased and the escrows that were collected up to that point were insufficient to cover the new tax bill, then your future mortgage payment will increase by an amount that will cover the new tax bill AND make up for the shortage from the previous payment.

The calculators are free for seven days: https://www.biggerpockets.com/investment-calculatorsBiggerPockets is full of free resources and there are tens of thousands of experienced investors giving free advice to help you along your journey.

Ideally by the end of next year we would like to have the adu collecting rent, and the addition completed or nearing completion.

There is no way that resident can afford a 500 jump, and I ended up losing thousands of dollars.Real estate is a business, collecting a future stream of revenue, and you need to be in control of the revenue and expensesGino

Be sure to check out “Learn” for all kinds of useful resources and free how to guides.

Closing Attorneys/law firms are another good resource for this.