| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Crafts, Hobbies & Home > Antiques & Collectibles > Paper Ephemera & Cards > Postcards | 16,789 | 3,388,987 | $462 | |
90% | 15% | 20% | 0% | ~ 1,000 |
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