It turns out the Best Seller rankings are essentially a number that represents the number of books selling more copies than your book is selling, over an extremely short period of time. The ranking has nothing to do with cumulative sales, instead it has much more to do with sales velocity.
Kobo Writing Life was built for writers by writers. We have the world’s best dashboard for easy and simple analytics in understanding two things: 1) where in the world your books are selling and 2) approximately how much you’ve earned. (Compare that to the dozens of ways you have to re-filter your info on the Kindle dashboard just to see what’s selling and in what territory. It’s truly a feat of mathemagic to try to determine what your royalties are actually going to be. Lots of confusion and hidden costs too (such as the hidden processing costs for payment which means you’re NOT really making 70% even though you think you are.