MONTANAIR® Original Tumbler with Rotatable Handle 40oz Stainless Steel | Double Wall Vacuum | Lid and Built-In Straw | Insulated | Fits in Cup Holder | Leak Proof | BPA-free (WHITE)
Amazon · Home & Living
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DDD Buy Intelligence
20% below its 90-day average ($37.41); $5.00 above the lowest price we've recorded ($24.90, Nov 7); 4.4★ across 10 reviews.
✓ DDD VerifiedVerified 1 hour ago
- Price checked
- Seller checked
- Historical comparison completed
- Product information matched
- Availability checked
- Discount claim analyzed
- Current price
- $29.90
- Typical price (90-day avg)
- $37.41
- 30-day average
- $31.15
- 1-year average
- $41.36
- Lowest recorded
- $24.90 · Nov 7, 2025
- Highest recorded
- $49.90
- Product rating
- 4.4★ · 10 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 | 19.4/25 | 20% below its 90-day average ($37.41) |
| True discount | 16.1/20 | 20% off its typical price |
| Lowest-price proximity | 6.4/15 | $5.00 above the lowest price we've recorded ($24.90, Nov 7) |
| Product quality | 6.7/15 | 4.4★ across 10 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 · 2 points
high $29.90
low $29.90 (Sep 16)avg $29.90now $29.90
Price tracked via Keepa's Amazon price-history data; price and availability are set by Amazon and can change.
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