If you want your paperback on a bookstore shelf, two settings in your IngramSpark account decide most of what happens next: the wholesale discount and the returns policy. Both are framed as distribution choices. Both are really pricing decisions, and the math is worth doing before you click.
Start with Ingram's own example
IngramSpark's help centre walks through a 6x9, 400-page black-and-white paperback listed at $25.99. At a 55% wholesale discount, the distribution chain pays Ingram $11.70. Ingram deducts $7.18 for printing plus its 1.875% distribution fee, and you receive $4.52 per copy, paid 90 days after the month the book ships.
Drop the discount to 40% and the same book earns $8.41 a copy. That looks like an easy win until you read Ingram's next line: below 53% in the US, your book is treated as short-discounted, and many bookstores will not order it. Ingram recommends 55% and calls 40% the acceptable minimum. So the choice is not 55% versus 40%. It is bookstore access at $4.52 versus mostly online sales at $8.41.
Then add returns
Bookstores expect to send back what does not sell. If your book is returnable, Ingram charges you the current wholesale price for every copy returned, which in this example is $11.70. On "Yes-Destroy" the books are pulped. On "Yes-Deliver" they are shipped to you for an extra $3.00 each in the US, in whatever condition they arrive.
Say stores order 100 copies. You earn $452. If 20% come back, which is roughly the trade paperback return rate the Association of American Publishers last reported to Publishers Weekly, you are charged 20 × $11.70 = $234. You keep $218 across the 80 copies that actually sold, or about $2.73 each. Choose delivery instead of destruction and that falls to $158, or $1.98 a copy, plus a box of books you may not be able to resell.
The break-even point is sharper than most guides admit. Because each return costs $11.70 and each sale earns $4.52, you lose money once returns pass about 39% of copies shipped. Older industry data put adult hardcover returns at 37.5%. A slow-moving debut in a store that ordered on spec can get there.
What to do with this
None of this means bookstores are a bad idea. It means returnable, full-discount distribution is a bet that works when you are driving readers into stores: events, local press, a bookseller who has read the book. Without that, non-returnable at 55% keeps you orderable by request with no clawback risk, and your margin stays where you set it. Run your own title through Ingram's compensation calculator at both discounts, then model a 20% and a 40% return rate before deciding.
At Map's Edge Media we run these numbers on our own titles, and we will keep sharing them as we do.