Success — Kindle Category Opportunity
Competition snapshot for the Self-Help best-seller list, ease-of-entry score 37.0/100.
Category metrics
Score
37.0
Median reviews
5,169.5
Weak share (top 20)
10%
Median price
$8.50
Median star rating
4.6
Books scanned
50
Worth writing in?
Success is heavily defended: incumbents are deep-reviewed and the top 20 rarely cracks. New releases can still chart with ads or a launch push, but expect to climb over established authors rather than around them. Ease-of-entry score 37.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 8 | Become One of One: Learn Faster, Stack High-Value Skills, and Make Yourself Impossible to Replace (Learning how to Learn Book 33) | 4.8 | 9 | $0.99 |
| 5 | Free You From You: The Path to Unshakable Presence | 5.0 | 10 | $0.99 |
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| professional and personal life | 2 | 85 |
| peak performance | 3 | 73 |
| art and science | 2 | 69 |
| habits of highly effective | 2 | 49 |
| highly effective people | 2 | 49 |
| self sabotage | 2 | 41 |
| psycho cybernetics | 2 | 30 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
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Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.
After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.