You may want to set the total price of a rental Item on an order regardless of the duration it is out on rent. In order to do so, please follow the steps below.
Navigate to the Order in question
To the right side of an Item under "Item Summary," select the pencil icon
Type in the price you would like to set under "Set Total Manually"
Press "Submit" in the top right hand corner
A common use case for this feature is setting Weekend or Event pricing if you know an Item is going to be out for a specified time, but it doesn't price correctly with your normal rates