# Buy Settings

1step supports the following buy-related parameters:

* **Buy Tax**:
*  Sets the buy tax for the target. If the tax exceeds the set limit, the purchase will not proceed.
* **Sell Tax**: 
* Sets the sell tax for the target. If the tax exceeds the set limit, the purchase will not proceed.
* **Liquidity Limit**: 
* Sets the liquidity limit for the target. If the liquidity falls below the limit, the purchase will not proceed.
* **Slippage Limit**: 
* Sets the maximum allowable price slippage for purchases. Higher slippage can increase the success rate of transactions. If actual price movement exceeds the slippage limit, the purchase will fail.
* **Smart Slippage**: 
* Activating smart slippage can significantly reduce the risk of sandwich attacks but may increase the chance of purchase failure.
* **Anti-Sandwich Protection**: 
* By submitting transaction packaging information to a private pool, it completely avoids sandwich attacks.

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