I love Amazon, even as it slowly destroys the old book business that I lived with for decades. Now the Kindle, and a host of other digital friendly devices, is opening up possibilities that never existed before, but there is a huge territory that I do not yet understand; so today I wrote an email to an Amazon Help address, but I had not bought anything, thus I had no order number to put into the Amazon form; so, the email was refused by their software. I still want answers to my questions. In a broader sense my questions apply to any downloadable product for Kindle, Barnes & Noble's Nook or any similar device (computers, etc, etc). Below the line is what I wrote but never sent.

I half-way know the answers, but I cannot rely on that. Does anybody have accurate answers?
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I am in Japan and I sell books. I have been interested in Kindle and other reading and audio devices but today is the first time I have made an effort to set up a Kindle account.

(1) Is there such a thing as a truly FREE Kindle product? You (Amazon) use the word Free but seems to me there is ALWAYS a (small) fee. No such thing as Free free?

(2) If I buy a book using Kindle, can I later transfer that book to another person, to their Kindle or other digital device that is compatible? I am guessing yes, and doing that would delete that item from my Kindle list.

(3) Can I print (using regular laser or inkjet printer) a document from Kindle?

(4) As some Kindle books are very very old and are in the public domain, Amazon holds no copyright on those items. Right?

(5) Is the Kindle now able to handle Japanese and other CKJ characters?

The above questions are being asked seriously and I hope you will be able to reply soon
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Simple questions. but Amazon' s Kindle pages contain tons of legalese (at least not micro-size type) and there are literally hundreds of "help" pages.