You’ve probably heard about Amazon’s new serial fiction offering, Kindle Vella. “Vellas” are stories told in episodes between 600 and 5000 words long. The first three episodes of a Vella are always free to read, but if you want to read on, you have to purchase tokens. Amazon does give its customers 200 tokens to try out the service. The number of tokens needed to read an episode are based on the length — an author has no say in the price charged. Packages of tokens range in price from $1.99 for ...