So for this method, I have chosen the route of rental properties.

The detailed methods are the most accurate, most defensible and get the most benefit.

Would each house need its own bank account, security deposit account, and credit card in this setup?

Hello:I wanted to get everyone's opinion on an issue - analyzing a standard deal vs. a prospective house hack.Here is-are the hypothetical-facts:Let's get say for the sake of this discussion, my target for a standard ...

There is a lot of discussion about wholesaling, rent to own, and other non traditional investing methods 

Figure 10% higher tax (cap gains vs ordinary) and SE tax isn't too bad If someone is over the Social Security limit however still sucks paying it. 

It is the results I care about not the method they use to get there. 

FHA requirements for owner-occupancy state "At least one borrower must occupy the property within 60 days of signing the security instrument and intend to continue occupancy for at least one year".Not sure what your exit strategy is, but keep in mind you need to season the title 6 months before you can cash-out refinance into a conventional loan and use the higher ARV.

Directly from Allregs  Fannie Mae's guides:Limits on the Number of Financed PropertiesIf the mortgage loan being delivered to Fannie Mae is secured by the borrower’s principal residence, there are no limitations on the number of other properties that the borrower will have financed.

@Jason HowellThis is the same method many Flippers use to get to their offer price.