I'm more an ounce of prevention is worth a pound of cure kind of gal. 

But for figuring out their income ratio, the Section 8 program will pay for a percentage of the rent, typically 70%. 

Is it worth getting a real estate lawyer, sending a demand letter, going to small claims court, suing, or doing anything like that?

We typically offer cash for keys first.

Like just imagine a website where you see all well-calculated and ready-to-buy deals of real estate and a place where you monitor your property investments like how much they are worth.

I love this idea, but would first talk with your ciry to determine the building regs.Have you done any comparison to see the cost difference than just building a typical multi-unit property with small units?

Some policies provide even more coverage than a typical 1-month security deposit amount.3.

If your net worth is $10,000,000+ congrats.Don't do anything super risky, you can live a comfortable life making 5%-8% which is $500,000 - $800,000 annually

Are you saying you owe exactly 100% of what the property is worth?

Condo conversions are bureaucratically intensive and usually not worth it for 4-Plexes.