[KerrAvon]

I would say close to illiterate. I don't know what mortgages are like in other countries, but in the US you want a fixed rate or you want to rent. An ARM can really fuck you up.

> They are also good if you have reason to believe you won't live there for more than a couple years

Generally speaking, it's better to rent in that case. You'll have more flexibility and substantially less risk.