Don't estimate.Insurance is pretty consistent in most areas for similar properties.Taxes are a matter of public record.Rents are just comps for rent, like comps for sold properties...also a matter of record on the MLS, Zillow, etc... 

I have been extremely consistent and have been trying a bunch of different things.

Some investment summaries consist of gorgeous graphics and iconography, professional photos and clear tables.

If I want to evaluate quadplex consisting of 8 bedroom, 4 bath should I find a similar comp for 2 bed 1 bath in the neighborhood and multiply that by 4? 

If you can consistently do that, you will have enough money to buy any home 1 right after another.Also, if you don't have one, get one, and that is a HELOC.

Also, be on site to talk through all the renovations, and have a printed list of the improvements you performed.  

Also, make sure your work performance is not negatively affected by your side hustle goals.

My wife is a newly licensed RE agent and has only had a few closings since she became licensed, so I want to leave her income out of this situation for the time being, as it hasn't been as consistent.  

If the owner does not want to keep the note what is the market for a performing loan and where can it be sold.

They do background checks and track the performance of sponsors so you can invest confidently.