Create public <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/use/library#playlist">playlists</a> assigned to your channel to organize your content or remote videos
Do you want to enable transcoding? If so, do you want to provide multiple resolutions per video? Try this out with a few videos and you will get an idea of how much extra space is required per video and estimate a multiplication factor for future space allocation.