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轉貸損益兩平點

Published May 4, 2025Updated Mar 22, 2026

What Is 轉貸損益兩平點?

轉貸損益兩平點(Breakeven Refinance)回答一個核心問題:「這次轉貸多久才能回本?」對於利率型轉貸,你要比較月供節省額和過戶成本。損益兩平 = 過戶成本 ÷ 月供節省額。如果過戶成本$8,000,每月節省$300,損益兩平就是27個月。只有在你計畫持有物業超過損益兩平點時才應該轉貸。對於增貸取現(如BRRRR中的操作),邏輯不同——你是在回收資本而非降低月供。但如果新月供更高,你需要確保現金流仍然可行。

轉貸損益兩平點(Breakeven Refinance)是指轉貸累計節省的金額等於過戶成本的時間點——即你需要持有物業多少個月,轉貸才能回收成本。

At a Glance

  • 核心概念: 轉貸節省額等於過戶成本的時間點——回收成本所需的月數
  • 為什麼重要: 在損益兩平之前出售物業代表轉貸虧錢
  • 關鍵公式: 損益兩平 = 過戶成本 ÷ 月供節省額
  • 相關概念: 轉貸增貸取現利率過戶成本
  • 注意事項: 包含所有費用——鑑價費、產權費、貸款點數、貸方費用。少算費用會縮短表面損益兩平時間
Formula

Breakeven Months = Closing Costs ÷ Monthly Payment Savings

How It Works

利率型轉貸。 目的是降低月供。月供節省 = 舊月供 - 新月供。損益兩平 = 總過戶成本 ÷ 月供節省。例:$9,000費用,每月節省$350 = 26個月。如果在26個月前出售或再次轉貸,你就虧了。

增貸取現。 目的是增加貸款並取出現金。新月供通常更高,不存在「節省」的概念。損益兩平不以同樣方式適用。應該問:新月供下現金流是否仍然可行?能否承受這筆債務?

費用包含範圍。 鑑價費、產權費、貸方費用、貸款點數、預付項目。使用貸款估算表(Loan Estimate)的總額。不要遺漏舊貸款的提前還款罰金(如適用)。

決策規則。 只有在你預計持有時間超過損益兩平點時(利率型轉貸),或者資本回收的目標明確時(增貸取現),才應該轉貸。

Real-World Example

陳志明有一筆$280,000的貸款餘額,利率7%,月供$1,863。銀行提供5.75%的利率型轉貸。新月供$1,634。每月節省$229。過戶成本$7,200。損益兩平 = $7,200 ÷ $229 = 31個月。陳志明計畫持有8年。他將節省$229 × 96個月 = $21,984,減去$7,200 = 淨收益$14,784。轉貸有道理。如果他計畫18個月內賣出,他會節省$4,122但支付$7,200——淨虧損$3,078。

Pros & Cons

Advantages
  • 用簡單數學避免一次糟糕的轉貸決策
  • 確保你只在真正划算時才轉貸
  • 適用於利率型轉貸和類似產品
  • 強制你計入所有過戶成本
Drawbacks
  • 不考慮機會成本(節省的錢還能做什麼)
  • 假設月供保持不變(浮動利率會影響計算)
  • 增貸取現,這個框架不直接適用
  • 計畫趕不上變化——你可能在損益兩平之前因故出售

Watch Out

  • 費用低估風險: 使用完整的貸款估算表。遺漏費用會縮短表面損益兩平時間,導致錯誤決策
  • 利率假設風險: 如果你做了利率型轉貸後利率繼續下降,你可能在損益兩平之前再次轉貸——雙倍費用
  • 提前出售風險: 只有在你確信會持有到損益兩平之後才轉貸。工作調動、市場機會或生活變化都可能迫使你提前出售

Ask an Investor

The Takeaway

轉貸損益兩平點(Breakeven Refinance)是利率型轉貸的必做計算。知道你的損益兩平——過戶成本 ÷ 月供節省——只有在你會持有超過這個時間時才轉貸。對於增貸取現,目標是資本回收而非降低月供,應該計算現金流和DSCR。

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