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Plumbing & Household Automation (How-to & Home Improvements, Books): Amazon KDP category data
Amazon Books Best Sellers data for Plumbing & Household Automation (How-to & Home Improvements, Books), updated Nov 2, 2026: median price $22.49, median 25 reviews, average rating 4.4 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $17.27 – $32.25 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 29% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category How-to & Home Improvements (632), one of the easier corners under it.
- 29% of its best sellers came out in the last 90 days, more than in 97% of Books categories: readers here keep buying new titles.
- At $22.49 its median price beats 80% of Books categories, leaving more margin per copy.
Top 10 Plumbing & Household Automation best sellers
-
The Big Book of Lost Skills for Self-Reliance: 300 Forgotten Skills and Secrets in 16 Fields, Illustrated Step by Step: Grow, Preserve, Build, Fix, Heal and Live Off-Grid Without the Repairman
by Jason Strike
- List rank#1
- Price$39.99
- Rating4.7
- Reviews111
-
Water Projects: The Complete DIY Guide to Building Self-Sufficient Water Systems for Your Home, Cabin, or Garden
by Evan Whitlock
- List rank#2
- Price$16.99
- Rating4.4
- Reviews23
-
Ultimate Guide: Plumbing, 6th Edition: 2024 National Plumbing Code Standards (Creative Homeowner) Beginner-Friendly Step-by-Step Home Plumbing Projects, DIY Repair Information, and Over 800 Photos
by Editors of Creative Homeowner
- List rank#3
- Price$19.99
- Rating4.6
- Reviews301
-
Essential Rainwater Harvesting: A Guide to Home-Scale System Design (Sustainable Building Essentials)
by Michelle Avis P. Eng
- List rank#4
- Price$12.99
- Rating4.6
- Reviews142
-
Popular Mechanics How to Fix Anything: Essential Home Repairs Anyone Can Do
by Popular Mechanics
- List rank#5
- Price$21.43
- Rating4.3
- Reviews646
-
Black and Decker The Complete Guide to Plumbing Updated 8th Edition: Completely Updated to Current Codes (Black & Decker Complete Photo Guide)
by Editors of Cool Springs Press
- List rank#6
- Price$17.44
- Rating4.7
- Reviews174
-
Contractor’s License Exam Prep: Complete Study Guide with Practice Questions and Answers to Pass the Contractor Business and Law Exam on Your First Try
by Mike L Porter
- List rank#7
- Price$15.13
- Reviews-
-
Self-Reliant Water Projects: The Plan for Water That Never Stops, Even When the Power Does - What to Build, In What Order, How to Harvest Rainwater, Fill Your Tanks and Filter It Safe to Drink
by Jed Roth
- List rank#8
- Price$17.97
- Rating4.9
- Reviews25
-
Finnish Sauna: Steam, Wood, Stone and How to Build Your Own
by Lassi A. Liikkanen
- List rank#9
- Price$27.96
- Rating4.6
- Reviews61
-
Bathroom Remodeling: Revised and Expanded (For Pros by Pros)
by Editors of Fine Homebuilding
- List rank#10
- Price$20.96
- Rating4.3
- Reviews159
FAQ
Is Plumbing & Household Automation a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 25 reviews and sells for $22.49.
How many reviews do you need to rank in Plumbing & Household Automation?
The median best seller has 25 reviews, and 69% of them have fewer than 100.
What do Plumbing & Household Automation best sellers cost?
The median price is $22.49; half of the best sellers are priced between $17.27 and $32.25.
Can new books break into Plumbing & Household Automation?
29% 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.