The SPF Income Report is a unique look behind the scenes of a best-selling indie author’s advertising spends and revenue.
Check out the stories behind the spreadsheets, graphs and stats from September 2017.
income report
SPF-082: BONUS! Income Report – August 2017
The SPF Income Report, a unique look behind the scenes of a best-selling indie author’s advertising spends and revenue is back! Check out the stories behind the spreadsheets, graphs and stats from August 2017.