configure Magento 2 quote lifetime depending on the type of business, their products, and market demand. The below method shows the stepwise method for the same. Once you configure the cart quote lifetime in Magento 2 store, if a customer leaves the cart unattended, the price automatically updates after the set days in quote lifetime.
Steps to Configure Magento 2 Quote Lifetime:

- Login to Magento 2 admin panel
- Navigate to Stores > Settings > Configuration
- Under Sales, select Checkout
- Expand Shopping Cart area
- In Quote Lifetime(days), enter the days for quote lifetime based on your requirement.
- Click Save Config