"rcaetano" <rafael.caetano@gmail.com> wrote in message

> For instance, the rent for a certain 1K is 90k per month (roughly
> double the regular rent). Others are more expensive. Looking at the
> pictures they do like newer, better and more furnished than the regular
> apartment.

The regular apartment is not furnished.

> They even have elevators. Still, the difference is quite
> big. What am I missing?

400 000 yen of key money and agency fees for your regular apparto. Plus
telephone/internet/etc...

Kuri