Copies sold 60/20/20 amazon/kindle/PDF Profit per copy $21/$9/$14 amazon/kindle/PDF Haven't done any real price experiments yet.
I self-published a programming book a while ago, and it brings in about $700 per month. I didn't see the big initial spike the OP did (shame), but the money has been consistent, and I would expect it to continue for…
Copies sold 60/20/20 amazon/kindle/PDF Profit per copy $21/$9/$14 amazon/kindle/PDF Haven't done any real price experiments yet.
I self-published a programming book a while ago, and it brings in about $700 per month. I didn't see the big initial spike the OP did (shame), but the money has been consistent, and I would expect it to continue for…