that this is the material you will want to keep anyway. But if for some reason you decide that you want to keep all of your material, then you will have to purchase the hard drives to accommodate the material.
One thing about living in the digital domain is that all of this material is subject to technology changes, format changes and digital loss of material due to equipment failure or technical glitches. Most media, if properly handled, should last as long as your lifetime, if you stay on top of the technology and perform data back of your home media. But the risk of losing your media is still there. One thing that you can do to help prevent loss of media is to back it up your home media at a few different sources.
For most people a few DVD back ups should suffice, just as long as you keep those DVDs in a safe place. But at some point