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24

harriet tubman costume

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

Market size 0Growth 0Conversion 0Competition 20Returns 0Price range 95Avg price 95Brand share 22Review moat 84Quality gap 47

Avg price

Incredible$31.36

avg listing price — sweet spot $15–$100

Price range

Incredible$16.86–$41.63

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

Review moat

Great320.92

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad$0

$0/yr · 39K searches

Growth

Bad-63.7%

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

Conversion

Bad0.0%

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

Returns

Bad12.0%

return rate — above 6% kills the launch gate

Competition

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

28

Top-5 brand share

91%

Open market

9%

  • California Costumes42%
  • ReliBeauty20%
  • Morph18%
  • Panitay4%
  • Fun Costumes4%
  • Haloumoning4%
  • Open — no brand owns it (3 brands, 9%)

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%10%$020%$030%$040%$0101001K10K 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.

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -63.7% search growth over the last 90 days.
5K3KPrime Day '24Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Mar, May · busiest ÷ quietest = 58.6×

Reviews

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

What buyers love

Quality-Overall19%

“The overall look and quality of this costume is great and makes for a very good option.”

Material Quality17%

“Nice quality fabric”

Shape/Style14%

“Such a versatile style”

Color10%

“The shirt and skirt are VERY dark blue--dark enough they almost look black and wouldn't look out of place worn to a costume party or funeral”

Advertised Vs Actual Product8%

“this dress fits the description”

Comfort-Overall8%

“comfortable”

Size-Overall6%

“large enough to wear properly”

Ease Of Use6%

“easy to work with”

Design-Overall4%

“as a nice outfit for special occasions”

Fun/Entertainment Experience4%

“It's also a fun addition to the trunk or tote of dress-up clothes for creative play”

What buyers complain about

Size-Overall100%

“Top too small”

Top return reasons

Size-Overall72%
Length6%
Material Quality5%
Quality-Overall3%
Waist Fit2%
Advertised Vs Actual Product2%
Chest Fit2%
Value For Money2%
Shape/Style1%
Functionality-Overall1%