As an aside I did a group newsletter swap that resulted in 360 emails in 15 days in exchange for free digital copies of book one. (draft2digital.com)
Traditional publishers will lower prices: Way back in 2009, there were calls for publishers to start selling digital copies of books for $ 4. (readersfavorite.com)
As always, if you want a free digital copy of the book when it comes out, you can get one by subscribing to the email newsletter. (redeeminggod.com)