If you also want to use it as a backup for another site, you might find the FA to IB migration tool or a bulk upload useful - just be sure to check each piece to be uploaded against our acceptable content policy, and apply appropriate keywords and ratings for our search and filtering systems before making any work public.
You can also put multiple related files into a single submission, or alternatively link them in a pool.
It's good to try new things! If you also want to use it as a backup for another site, you might fin
