金はない

have no money

→ 金
phrase Rare #31,482
have no money 金 means “money” in this context. The は marks money as the topic, often with a contrastive nuance: “As for money, I don't have any.”
JA: 今月は金はないけど、来月なら払える。
EN: I don't have any money this month, but I can pay next month.

金はない

I have no money.

— イップ・マン 序章 (2008)

余分な金はない

I don't have any extra money.

金はないけど夢はある

I may not have money, but I have dreams.

あれしか金はないんだ

That's all the money I have.

— グッドフェローズ (1990)

お前に渡す金はない

I’m not giving you any money.

— イップ・マン 序章 (2008)

金はない気前よい

I may be broke, but I’m generous.