Are there any alternatives to say "This is as low as it goes."

 There are many ways to say "This is as low as it goes," depending on the context. The phrase is most often used to indicate that you cannot reduce a price, quantity, or level any further.

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In a Negotiation (Price)

If you're haggling or negotiating a price, you can use these alternatives to firmly state that you can't go any lower:

• "This is my final offer." (Direct and formal)

• "I can't go any lower than this." (Clear and straightforward)

• "That's the rock-bottom price." (Informal and emphasizes the lowest possible point)

• "This is the best I can do." (Polite and suggests you've made your maximum effort)

• "I'm at my limit." (Indicates you've reached your maximum flexibility)

For a Quantity or Level

If you're talking about a physical level or a quantity of something, these phrases work well:

• "The water level won't drop any further."

• "The numbers have hit rock bottom."

• "This is the lowest possible setting."

• "It has bottomed out." (This is a common idiom, especially for things like stocks or performance metrics)

When you've reached your emotional or physical limit

You can also use the phrase metaphorically to describe a situation where your tolerance or emotional state has reached its lowest point. In these cases, you might say:

• "I've hit my limit."

• "This is my breaking point."

• "I can't sink any lower."

• "I've hit rock bottom."