That is something to consider as well.  

What’s a good rule of thumb to follow when starting a business or owning multiple properties for how much you should set cash aside to go towards the mortgage, expenses, emergencies and paying yourself?

Milwaukee has the largest number of duplxes of any city in the US to my best knowledge. 5% down get's you out from paying rent and you also learn the ropes in a really-hard-to-screw-up setting. 

Well, unfortunately I'm quite sure I didn't yet understand where you're going with this, but... they are the basis of how I can achieve net yearly ROI of ~8%.

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Sometimes known as a cash flow snowball. 

Be confident the mortgage company, and the wholesaler is well aware of the procedures and will out maneuver you, even if you are factually correct. 

Simple solution: Inform them that unfortunately you can’t accept ESA letters without being able to verify the validity of the letter by speaking with the local licensed mental health professional who prescribed them their ESA, so that you can verify that they have a legitimate disability requiring an ESA as well as that whoever prescribed it to them is a real licensed mental health professional who has an ongoing relationship with them beyond just receiving a one-time payment to “prescribe” the ESA. 

Maybe women as a whole arent interested in these jobs or flipping houses > On my jobs the the women work as designers for the hard surface company.. we have a few women I see working for the sheet rock company doing the fine detial mudding and patch work and well when I was in the logging business one of my loggers his sister ran the log loader and was very good swinging those logs on to the truck..

Is the camera set up to point at their car (ie the tenant who owns the camera is using it to monitor their car) or to point at the other tenant's car?