https://www.fire-path.app/blog Use practical FIRE guides and a scenario-based calculator to compare assumptions and build a resilient path to financial freedom. en-us support@ascend-spark.com (Fire Path Team) support@ascend-spark.com (Fire Path Team) Mon, 09 Mar 2026 00:00:00 GMT https://www.fire-path.app/zh-TW/blog/irregular-investment-fire-calculation-framework https://www.fire-path.app/zh-TW/blog/irregular-investment-fire-calculation-framework 投資金額每年波動是多數家庭的常態，不代表 FIRE 無法計算。本文提供一個可落地的區間化與滾動重算框架，讓不固定投入也能維持決策品質。 Mon, 09 Mar 2026 00:00:00 GMT support@ascend-spark.com (Fire Path Team) fire不規則收入試算模型現金流管理年度重算