Skip to content
36

henry danger costume

Skip it

A small market ($4K/yr) — this niche doesn't clear our bar today.

Market size 1Growth 14Conversion 1Competition 44Returns 31Price range 95Avg price 94Brand share 16Review moat 99Quality gap 85

Review moat

Incredible20.94

avg incumbent reviews — the moat a new listing must climb

Price range

Incredible$21.88–$79.98

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

Avg price

Great$48.31

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Returns

Okay5.2%

return rate — above 6% kills the launch gate

Brand share

Bad94%

top-5 brand share — brand-locked demand

Growth

Bad-22.6%

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

Market size

Bad$4K

$4K/yr · 135K searches

Conversion

Bad0.1%

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

Competition

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 flat

Sellers

8

Top-5 brand share

94%

Open market

3%

  • Fun Costumes47%
  • Pexlaxy19%
  • IMDAET11%
  • Howenlthy9%
  • Xuminvty8%
  • Lofeery4%
  • Open — no brand owns it (1 brand, 3%)

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%5%$19610%$39215%$58720%$783110100 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 18 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 38 weeks — -22.6% search growth over the last 90 days.
13K8KSpike '26Oct '25Nov '25Jan '26Feb '26Apr '26May '26

Reviews

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

What buyers love

Quality-Overall25%

“Great quality for a kids costume”

Durability25%

“Durable”

Size-Overall25%

“The costume looks great and fits well,”

What buyers complain about

Stitch/Finish/Polish50%

“Seams are not sturdy or well stitched”

Top return reasons

Size-Overall95%
Material Quality5%
Length5%
Advertised Vs Actual Product5%