Tools
Buying in Japan involves arithmetic that does not work the way it does at home: taxes levied on a municipal assessment rather than the price, commission capped on a sliding scale, reliefs that hinge on whether you intend to live there. These work it out. They are free and ungated, because a calculator behind a login is a calculator nobody uses.
Estimates for budgeting, not tax, legal or investment advice. Engawa is not a licensed real-estate broker. The journal covers the same ground in prose.