The problem is that Apple has and Amazon will shortly have a "you can't sell your book for cheaper at other ebook stores" clauses in their agreements. (The Amazon one is part of their newer pricing model, which matches Apple's 70% cut but adds restrictions on pricing, which should go into effect this summer.(ccna)

I've often found that the truly creative/imaginative folks have a hard time dealing with reality as it is, and frequently wind up self-medicating with various substances. Clark ccna notes USA