In your online store, you can choose to show a sale price alongside a crossed-out price (e.g.
Note: Your customers will only pay the sale price. The crossed-out price is only for display in your live site.
Add Sale Price
1. Edit product in your simple store, click "Add Sale Price" button.
2. Enter your "Crossed-out price"
Crossed-out price must be greater than sale price. If you leave it blank, it will be hidden from your live site. You can click "x" to remove it.
3. Save the changes
After you're finished, click "Save" to save all changes.
Now your customers can see the sale price along with the crossed-out price in your site!