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Purchasing & Buying (Processes & Infrastructure, Books): Amazon KDP category data
Amazon Books Best Sellers data for Purchasing & Buying (Processes & Infrastructure, Books), updated Nov 3, 2026: median price $18.91, median 9 reviews, average rating 4.5 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $38.70 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Processes & Infrastructure (3,118), one of the easier corners under it.
- Its review barrier is lower than in 84% of Books categories: the median best seller has only 9 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $9.99 to $38.70, so budget editions and premium or boxed sets sell side by side.
Top 10 Purchasing & Buying best sellers
-
Buy Then Build: How Acquisition Entrepreneurs Outsmart the Startup Game
by Walker Deibel
- List rank#1
- Price$13.89
- Rating4.7
- Reviews2,361
-
Still in the Game: Losing a Business, a Marriage, and a Million, and Why I Kept Playing
by Miguel Graf
- List rank#2
- Price$0.99
- Rating5.0
- Reviews7
-
The Insider’s Guide to Business Credit Using an EIN Only: Get Tradelines, Credit Cards, and Loans for Your Business with No Personal Guarantee
- List rank#3
- Price$8.37
- Rating4.4
- Reviews189
-
Let's Get Real or Let's Not Play: Transforming the Buyer/Seller Relationship
by Mahan Khalsa
- List rank#4
- Price$22.81
- Rating4.6
- Reviews601
-
Getting to Yes: Negotiating Agreement Without Giving In
by William L. Ury
- List rank#5
- Price$18.67
- Rating4.5
- Reviews11,636
-
Order Book For Small Business: Keep Track of Your Customer Orders. order forms for small business. Sales Order Forms for Online Businesses and Retail ... Online Businesses and Retail Store. 8"X10" in
by order log
- List rank#6
- Price$6.99
- Rating4.7
- Reviews85
-
2 Year Monthly Planner- 2027-2028: With Holidays and Motivational Quotes (From January 2027 to December 2028)
by Oriel H Frazier
- List rank#7
- Price$8.99
- Rating4.1
- Reviews10
-
Amazon Return Pallets for Beginners: How to Buy Liquidation Mystery Boxes, Warehouse Returns, and Unclaimed Items to Resell for Profit
by Trey Phillips
- List rank#8
- Price$0.99
- Rating4.6
- Reviews25
-
The Tech Contracts Handbook: Cloud Computing Agreements, Software Licenses, and Other IT Contracts for Lawyers and Businesspeople, Third Edition
by David W. Tollen
- List rank#9
- Price$39.93
- Rating4.7
- Reviews183
-
The Messy Marketplace: Selling Your Business in a World of Imperfect Buyers
by Brent Beshore
- List rank#10
- Price$16.73
- Rating4.4
- Reviews138
FAQ
Is Purchasing & Buying a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 9 reviews and sells for $18.91.
How many reviews do you need to rank in Purchasing & Buying?
The median best seller has 9 reviews, and 75% of them have fewer than 100.
What do Purchasing & Buying best sellers cost?
The median price is $18.91; half of the best sellers are priced between $9.99 and $38.70.
Can new books break into Purchasing & Buying?
13% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.