How to create a pricing plan with a 'one-off' price and an expiry date if necessary.
From the Dashboard menu:
Click on the name of the plan for which you would like to edit the price.
In the Item Fields Panel:
In the Price text field, simply type the word 'from' before the price.
If this is a limited time offer, you can make the pricing plan expire on a particular date. To do this, scroll down the page:
Click on the blue Update button at the bottom of the page to save your changes.
Mar 28, 2013