You may need to sell your services based on quantity. For example 25 Photos, 40 Photos, 60 Photos. Or 1 Twilight Images, 3 Twilight Images, etc. However on the Service setup you cannot define a quantity of a service. In order to accommodate quantity all you need to do is add multiple flat rate services with the quantity in the title/description of the Service.
Selling Photography Based on the Number of Images Delivered:
Create a "Service" for each tier of images
Now Let's add them to your Order Page! Visit Shopping Cart -> Order Pages
Edit the Order Page you would like to add your Photography service to (if you need to create a new order page click the Create New)
Click "Create Service"
Click Add Individual Service
Select the Quantity of Photos you Created as Services
Click Save
Turn on each service added to your order page
Now you have successfully added your photo quantity pricing to your order page. Click the "View Order Page" button to preview your order page
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