SureFireWealth is a site that gives members access to ebooks, audio, video, templates and a other things. Many of these are available with resell rights for members. There are three types of membership, free, silver and gold. The higher the membership, the more materials you have access to. Paid membership is a one off fee.
This site is pretty useful for getting a lot of materials you can use for reselling, although it’s important to remember that there will be a lot of others with access to the same materials.