Definitely encourage you to practice analyzing a few properties using the “Deal Finder” at the top of your screen, and the Calculators (Under “Analyze Deals). 

However, in practice, holding the replacement property for at least one to two years is often recommended.

California has had statewide ADU laws since 2019.

@Brandon Walston - Every state has their own landlord / tenant laws, but I think pretty much all of them (or maybe even at the federal level), you must honor the lease that is in place when you buy a tenant occupied property.

Reason being is because my brother-in-law is out there who can help out whether house hacking a duplex, tri, or even a quad. 2 question: 1.

Doesn't Madison have an additional layer of tenant-landlord laws?

And once you've got an approved applicant, then you present them with your lease, which needs to be comprehensive in its protection for you and of your property (mine is 24 pages and counting as I encounter new issues, and it contains fines for certain violations) - check your state laws.

To effectively utilize techniques that will accelerate the increase in your net worth in real estate, the investor needs to thoroughly understand real estate principles, real estate law, and real estate finance.  

Title company found out because it was on the chain of title.I don't know if this is common practice since this is not the subject property to be on a loan.

Are there any practical methods for implementing usage-based billing without submetering?