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partners in crime tumbler

Skip it

A small market ($8K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 7Conversion 14Competition 19Returns 96Price range 58Avg price 76Brand share 29Review moat 73Quality gap 24

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Great$15.20

avg listing price — sweet spot $15–$100

Review moat

Good570.77

avg incumbent reviews — the moat a new listing must climb

Price range

Good$4.97–$29.09

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad77%

top-5 click share — a locked-up shelf

Conversion

Bad1.1%

search→purchase rate — share of searches ending in a sale

Growth

Bad-36.8%

90-day search growth — must beat 0% to launch

Market size

Bad$8K

$8K/yr · 50K searches

According to Flapen's Amazon United States niche tracking, partners in crime tumbler is a $8K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Feb–Dec. Verdict: Skip it — 31/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

partners in crime tumbler market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$4K–$8K
units × avg price
Conversion rate
1.1%
Avg BSR
#4,410
Page quality
0%
Prime
100%
Sponsored
85%
Out of stock
10.9%
Avg brand age
36 months
Avg seller age
175 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

24

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

12%

  • HOFOYA44%
  • 34HD16%
  • Desimtion13%
  • Ptikx5%
  • Pavilion Gift Company5%
  • JoycuFF5%
  • Open — no brand owns it (4 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.8% search growth over the last 90 days.
2K2KBlack Friday '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Dec · busiest ÷ quietest = 2.4×

Top partners in crime tumbler search terms

  • partners in crime36K/yr
  • partner in crime gifts5K/yr
  • partners in crime gifts7K/yr
  • partners in crime tumbler1K/yr
All search terms

Top partners in crime tumbler products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$1K30%$3K45%$4K60%$5K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about partners in crime tumbler

What buyers praise and complain about, mined from review topics.

What buyers love

Gifting Purpose29%

“Cute gift”

Quality-Overall25%

“Great quality cup”

Size-Overall10%

“Size fits all”

Strength8%

“Not flimsy”

Durability7%

“Very durable - was a bit worried that Id loose the key chain because its so dainty”

Advertised Vs Actual Product3%

“As described”

Color3%

“Color is right”

Temperature Retention3%

“Definitely keeps drinks to temps”

Ease Of Cleaning3%

“cleans like a normal mug”

Value For Money1%

“Great value for the money”

What buyers complain about

Advertised Vs Actual Product27%

“This item does not look like the picture”

Quality-Overall20%

“Cheaply made”

Size-Overall5%

“A little smaller than I thought”

Heating4%

“The outside doesnt get super hot when you put a hot beverage in it”

Top return reasons

Size-Overall38%
Advertised Vs Actual Product25%
Shape/Style13%
Quality-Overall13%
Defective Material/Parts13%

Common questions

Is partners in crime tumbler profitable to sell on Amazon United States?
The niche generates $8K/yr across 13 tracked products. 90-day search growth is -36.8%. Flapen's verdict: Skip it (31/100).
How competitive is the partners in crime tumbler niche?
10 brands and 24 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in partners in crime tumbler?
Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Size-Overall. The return rate is 0.9%.
When does demand for partners in crime tumbler peak?
Demand peaks in Feb–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the partners in crime tumbler niche?
Listings span $4.97–$29.09; the average listing price is $15.20 (sweet spot $15–$100). The average incumbent carries 571 reviews — the moat a new listing must climb.