To answer your question, your contract is not the one being signed, therefore, there is no enforceability of that agreement whatsoever. 

Just my 2 cents. in addition you will not see the folks you describing owning any vehicles whatsoever LOL.. you need to be making good money to have car ownership and driving privileges in Singapore.

A quit claim deed may give you absolutely no ownership rights in a property whatsoever.

No help whatsoever 

However, I would try and cut my teeth on something a little more simple for your first one.

People like Pace Morby make it seem like there is zero chance whatsoever the due on sale clause would be triggered.

To me, that's like paying for a college course in Dentistry, the prof never shows and the other students try to teach each other how to drill teeth when they don't really know how.

-a QCD has no effect on liens whatsoever.

The cities should have some enforcement teeth to regulate the bad apples to the rest of the industry can thrive. 

Like many investors, I cut my teeth on househacking--and it prepared me to eventually move into larger, more complex real estate investments.