I didn't down vote you but here is the flaw. Rent typically trends upward with property values which eats away at a tenants ability to save. This is particular

I didn't down vote you but here is the flaw. Rent typically trends upward with property values which eats away at a tenants ability to save. This is particularly true in markets like NYC, SF, LDN and HK where people are paying over 50% of their paycheck to rent.