Posts

All published articles.

• Investment 4 min read

  Korea–Japan Inheritance Tax: Residency and Japan’s 10-Year Test [2026]

  Updated: Jul 18, 2026

  Ten years in Japan does not automatically make every worldwide asset taxable. Start with both parties’ address, nationality, residence status and history, then map each asset.

  
• Investment 12 min read

  New vs. Pre-Owned Mansions in Japan — Prices, Depreciation & Repair Costs [2026]

  Updated: Jul 18, 2026

  April 2026 Greater Tokyo data comparing new and pre-owned mansion prices, depreciation, repair reserves, and liquidity.

  
• Investment 12 min read

  Adachi, Katsushika & Edogawa Home Prices — Eastern Tokyo [Ep.8·2026]

  Updated: Jul 18, 2026

  Looking for Tokyo's real value-for-money? We compare mansion transaction prices, rental rates, and transit access across 足立区 (Adachi-ku), 葛飾区 (Katsushika-ku), and 江戸川区 (Edogawa-ku) — all with data.

  
• Investment 13 min read

  Kita, Arakawa, Itabashi & Nerima Home Prices — Northern Tokyo [Ep.7·2026]

  Updated: Jul 18, 2026

  13–28 minutes to Tokyo Station, at 36–46% of Chiyoda prices. We compare mansion transaction prices, rental rates, and transit access across 北区 (Kita-ku), 荒川区 (Arakawa-ku), 板橋区 (Itabashi-ku), and 練馬区 (Nerima-ku) — all with data.