2026

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副業

日本居住AIトレーナー向け｜W-8BENの書き方を実例付きで整理する

【免責事項】この記事は、日本居住者のAIトレーナーとして私自身がW-8BENを記入した際の記録と整理を目的としたものです。私は税理士ではなく、本記事は一般的な情報提供に留まります。最終的な税務判断や適用可否については、必ず税理士や支払元（プラットフォーム）に確認して...

ギグトレーダー 2026-01-13

ギグトレーダー

子育てと本業のかたわら、投資と副業でサイドFIREを目指す会社員。
ファイナンシャル・プランナー（FP2級）の資格を活かし、金融知識と実践を両立した情報を発信中。
副業のAIトレーナーでは10ヶ月で報酬200万円・最高月収約70万円を達成し、投資では20年かけて株・投信・ETFを積み上げ、運用資産は2300万→7200万に成長。税引後の配当相当額は年間約88万円。
実体験ベースで、リアルな副業・投資ノウハウをお届けしています。

X X（旧Twitter）でも発信中

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日本居住AIトレーナー向け｜W-8BENの書き方を実例付きで整理する

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