"So I'll just move everything around, get rid of all the duplicates. I should end up with something like 4-5TB in total once that is done!"

Esto es importante perdemos muchos archivos en duplicados, yo tengo un nas de 4tb para respaldos 2+2 y la pimpieza es crucial o termina lleno de basura digital

This is important, we lose many files in duplicates. I have a 4TB NAS for 2+2 backups and cleaning is crucial or it ends up full of digital garbage.