I have customized thank you page and I've  also written thank you notes directly.    Of course I would be interested in selling wholesale and I have in the past   So far my   I've also sold my first book through independent sellers - Just like they were Tupperware saleswomen.  It was great!  I got the idea from one of my readers (and friend) She liked the book so much she sold it at her job.   $1.00 per book is fine-.  Just as you mentioned Amazon took  a lot more - and they had nothing