With a 99 % author satisfaction rate, we receive a lot of wonderful emails like this, and I enjoy reading all of them. (brentsampson.com)
To clarify, unit / total revenue is not a linear relationship in terms of author satisfaction. (terribleminds.com)
For most authors the satisfaction of being done with their word count for the day is sufficient, but you might like to reward yourself with a little treat. (justwriteabook.com)