The other side is renting -- where the landlord can raise rents to almost any arbitrary level (well to the market rate, but if you're not making bank it might a

The other side is renting -- where the landlord can raise rents to almost any arbitrary level (well to the market rate, but if you're not making bank it might as well be arbitrary). My understanding is 5-year ARMs where also subject to the whims of the bond market (LIBOR or whatever), so really the difference between renting and mortgaging in this case are just semantics.