You must do a crazy amount of travelling to need ALL the maps for off-line. Why waste the space? I have no need to get maps for driving around a state until I plan on visiting it. And then I would delete them afterward. You can still use the maps should you not have them locally. They update so frequently that I wouldn't waste the effort getting them all down just to have to update them again in a few months when I don't need them to begin with. I could see needing them if you were a cross-country trucker, but most truckers don't even cover then entire country. Unless you live in the northeast, what are the odds you will need a map for Maine in offline mode?