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63

center finder

Worth a look

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 31Growth 13Conversion 54Competition 78Returns 95Price range 86Avg price 87Brand share 88Review moat 87Quality gap 76

Returns

Incredible1.0%

return rate — above 5% kills the launch gate

Brand share

Great47%

top-5 brand share — no brand owns this niche

Review moat

Great268.82

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$19.68

avg listing price — sweet spot $15–$100

Price range

Great$6.26–$80.01

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

Competition

Great37%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good4.5%

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

Market size

Okay$139K

$139K/yr · 156K searches

Growth

Bad-24.8%

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

According to Flapen's Amazon United States niche tracking, center finder is a $139K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Feb. Verdict: Worth a look — 63/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

center finder market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$118K–$157K
units × avg price
Conversion rate
4.5%
Avg BSR
#238
Page quality
0%
Prime
98%
Sponsored
86%
Out of stock
3.8%
Avg brand age
50 months
Avg seller age
176 days

Competition & brand share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

44 rising

Sellers

86

Top-5 brand share

47%

Top 20: 78%

Top-5 click share

37%

Top 20: 70%

Open market

49%

  • Anblak15%
  • Milescraft11%
  • KETIPED10%
  • Toolcool6%
  • POWERTEC4%
  • Savannah4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.8% search growth over the last 90 days.
6K4KSpike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 1.6×

Top center finder search terms

  • center finder71K/yr
  • center finder tool40K/yr
  • circle center finder tool13K/yr
  • center finder woodworking13K/yr
  • circle center finder5K/yr
  • center marking tool6K/yr
  • woodworking center finder5K/yr
  • center finding tool4K/yr
All search terms

Top center finder 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%3%$4K6%$8K9%$13K12%$17K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about center finder

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

What buyers love

Ease Of Use22%

“Real handy”

Quality-Overall17%

“Good quality tool”

Value For Money11%

“Reasonably priced”

Advertised Vs Actual Product10%

“As advertised”

Design-Overall7%

“Well made”

Measurement/Reading Accuracy5%

“its accurate enough that you can trust it without second-guessing every mark”

Size-Overall3%

“As well as a convenient size”

Durability3%

“Seems pretty durable”

Strength2%

“sturdy”

Precision Of Cut1%

“Works great with my brad point bits and gives clean, accurate holes without a bunch of guesswork”

What buyers complain about

Measurement/Reading Accuracy15%

“Inaccurate”

Size-Overall15%

“The provided pencil does not fit the opening for it”

Quality-Overall13%

“Bad quality”

Ease Of Use6%

“Awkward to use”

Functionality-Overall6%

“Did not work for me”

Durability5%

“Broke first time I used it”

Strength4%

“or feels a little too flimsy”

Instructions/User Manual/Troubleshooting3%

“The directions are not very helpful”

Grip1%

“Also does not slide very easy over the wood”

Display-Overall1%

“the lines are very hard to see”

Top return reasons

Size-Overall34%
Measurement/Reading Accuracy12%
Functionality-Overall10%
Advertised Vs Actual Product9%
Defective Material/Parts8%
Quality-Overall8%
Material Quality3%
Product Condition3%
Durability2%
Compatibility-Overall1%

Common questions

Is center finder profitable to sell on Amazon United States?
The niche generates $139K/yr across 50 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is -24.8%. Flapen's verdict: Worth a look (63/100).
How competitive is the center finder niche?
44 brands and 86 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in center finder?
Top complaints mined from reviews: Measurement/Reading Accuracy, Size-Overall, Quality-Overall. The return rate is 1.0%.
When does demand for center finder peak?
Demand peaks in Feb; the busiest month runs 1.6× the quietest.
What does it cost to enter the center finder niche?
Listings span $6.26–$80.01; the average listing price is $19.68 (sweet spot $15–$100). The average incumbent carries 269 reviews — the moat a new listing must climb.