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leonardo da vinci costume

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A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 21Conversion 0Competition 58Returns 23Price range 76Avg price 81Brand share 77Review moat 92Quality gap 68

Review moat

Great162.63

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.26

avg listing price — sweet spot $15–$100

Brand share

Great58%

top-5 brand share — no brand owns this niche

Price range

Great$7.70–$37.96

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Returns

Bad6.6%

return rate — above 6% kills the launch gate

Growth

Bad-7.6%

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

Market size

Bad$0

$0/yr · 30K searches

Conversion

Bad0.0%

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

Competition

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

24 rising

Sellers

41

Top-5 brand share

58%

Open market

37%

  • Bbalizko18%
  • California Costumes16%
  • Rubies9%
  • Wheebo8%
  • Making Believe8%
  • BPURB5%

Product shelf

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

0%4%$08%$012%$016%$01101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 30 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 8 weeks — -7.6% search growth over the last 90 days.
1K750May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

Reviews

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

What buyers love

Quality-Overall22%

“Quality is as expected at this price and the beard is surprisingly comfortable and soft”

Value For Money13%

“Good product fair price”

Size-Overall11%

“still fit good enough”

Advertised Vs Actual Product10%

“Super cool and exactly as pictured- GET IT”

Comfort-Overall8%

“Comfortable”

Ease Of Use6%

“Very simple,”

Fun/Entertainment Experience5%

“Fun for dress up”

Soft Feel4%

“super soft and cute”

Strap/String Quality2%

“I like that the string is sown instead of removable”

Color2%

“Great color”

What buyers complain about

Size-Overall31%

“it was a little big”

Strap/String Quality17%

“My only issue is the little buckle things broke the first day I wore it which is why I removed one star”

Strength13%

“Not the easiest to put on its a bit flimsy”

Product Condition6%

“Why did I receive an used item”

Material Quality3%

“terrible material”

Quality-Overall3%

“I knew it wouldnt be great quality”

Thickness3%

“Very thin, terrible material”

Stitch/Finish/Polish3%

“One of the ties on top fell right out. the stitching”

Top return reasons

Size-Overall64%
Advertised Vs Actual Product6%
Quality-Overall4%
Material Quality3%
Value For Money3%
Product Condition3%
Length2%
Width2%
Color2%
Shape/Style1%