This is confusing. Here is someone with a FANTASTIC first outing of a book and he's whinging about it? The author raises $8K on Kickstarter, sells his book for $10, and is complaining that the 'gorilla' is taking a bigger percentage of the take? Using his numbers: of 73%/11%/12%/1% his money was $1117/$231/$333/$20 respectively. So he made three times as much money selling through Amazon as he did on the next closest…
At a guess: the author feels ripped off in the same way I feel ripped off when I buy an airline ticket and have to pay $25 to check a bag, $12 for a sandwich, etc. If amazon's fee is $4.50 they should say so instead of burying a cost almost equal to their quoted fee in fine print. Edit: also, amazon grants themselves MFN status [1] at the authors' expense. So they exploit their market size to make sure authors can't…
Amazon charging 30%, then another $2.50 is sketchy, why not just charge 50%, or at least avertise the price as a fixed $2.50 plus 30%? Questionable on Amazons part, without a doubt.