Rather watch a video?
1. Go to Products>Videos.
2. Add a new video or edit an existing one.
3. Scroll down and enable the One-time purchase toggle, then type the price you want to have for that video.
4. Click on the Rental Price toggle and type the price and number of days you want to rent that video for.
Note: you can also set up both if you want.
5. Once you set up your preferred option, click Save.