Change the Culture, Change the Game: The Breakthrough Strategy for Energizing Your Organization and Creating Accountability for Results
Amazon
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DDD Buy Intelligence
20% below its 90-day average ($27.03); $19.03 above the lowest price we've recorded ($2.62, Nov 26); 4.4★ across 544 reviews.
5 of 6 checks completedLast checked Oct 6, 2026
- Price checked (not yet)
- Seller checked
- Historical comparison completed
- Product information matched
- Availability checked
- Discount claim analyzed
- Current price
- $21.65
- Typical price (90-day avg)
- $27.03
- 30-day average
- $21.75
- 1-year average
- $30.94
- Lowest recorded
- $2.62 · Nov 26, 2018
- Highest recorded
- $54.82
- Product rating
- 4.4★ · 544 reviews
- Seller
- Amazon marketplace listing
- Availability
- consistently in stock
20% belowDDD True Discount — vs. its 90-day/30-day average
Why this score
| Factor | Points | Evidence |
|---|---|---|
| Historical price | 19.3/25 | 20% below its 90-day average ($27.03) |
| True discount | 15.9/20 | 20% off its typical price |
| Lowest-price proximity | 0/15 | $19.03 above the lowest price we've recorded ($2.62, Nov 26) |
| Product quality | 11.4/15 | 4.4★ across 544 reviews |
| Seller trust | 9/10 | Amazon marketplace listing |
| Competitor price | —/5 | No other retailers tracked yet |
| Community | —/5 | No community votes yet |
| Availability | 5/5 | consistently in stock |
High confidence: this score is based on 6 of 8 evidence types (90% of the maximum weight). Missing: competitor price, community. How Deal Score works
Price historyreal data · 7 points
high $21.83
low $21.65 (Oct 6)avg $21.71now $21.65
Price tracked via Keepa's Amazon price-history data; price and availability are set by Amazon and can change.
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