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					Originally Posted by pdurrant  Sending a copy to your Amazon account 'costs' one download. But you can then download as many times as you like from your Kindle Books List.
 Downloading a DRM-free ePub to your computer 'costs' one download. But you can then read that DRM-free ePub on any of your devices that can read an ePub.
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 So, realistically, all you really need are *at most* two of the 8 downloads; one watermarked ePub for your PC (which can be sideloaded to any epub-capable device or app you or your minor child may own) and one for your Kindle cloud that gets sync'ed to every device/app associated with your account.
By the Terms of service, the other 6 downloads are backups in case your PC crashes and you lose you hard drive backup or you abuse your Amazon account and get banned. 
 
Seems plenty liberal to me.