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blade costume

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Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Market size 6Growth 55Conversion 4Competition 80Returns 19Price range 63Avg price 87Brand share 81Review moat 67Quality gap 55

Avg price

Great$65.74

avg listing price — sweet spot $15–$100

Brand share

Great54%

top-5 brand share — no brand owns this niche

Competition

Great35%

top-5 click share — an open shelf

Review moat

Good815.72

avg incumbent reviews — the moat a new listing must climb

Price range

Good$7.15–$141.34

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

Growth

Good+27.6%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Bad7.5%

return rate — above 6% kills the launch gate

Market size

Bad$23K

$23K/yr · 118K searches

Conversion

Bad0.3%

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

Competition

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

40 rising

Sellers

48

Top-5 brand share

54%

Open market

42%

  • MAXDUD22%
  • Oxhide and Bulls Leather14%
  • TRENDS GENESIS8%
  • Ofwin6%
  • TOKYO REVENGERS5%
  • ACTIONUNION4%

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%3%$6976%$1K9%$2K12%$3K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 50 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — +27.6% search growth over the last 90 days.
15K10KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 50.5×

Reviews

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

What buyers love

Quality-Overall22%

“Great cheap sunglasses that continue to work”

Value For Money18%

“Good deal”

Size-Overall17%

“Fits perfect”

Material Quality7%

“Nice material”

Strength4%

“Solid sunglasses that arent flimsy”

Advertised Vs Actual Product3%

“actually better than I expected”

Comfort-Overall3%

“they are comfortable”

Durability2%

“durable”

Leather Quality2%

“Great vest thick leather smells like leather looks great comfortable highly recommend”

Shape/Style2%

“medieval viking style look great”

What buyers complain about

Size-Overall23%

“Too tight”

Durability15%

“Broke again”

Adhesion/Stickiness7%

“Adhesion doesn't work”

Quality-Overall6%

“Little cheap quality”

Color6%

“makes the vest look garish”

Advertised Vs Actual Product3%

“Very misleading”

Strength3%

“Flimsy plastic”

Allergies3%

“All plastic no good for my nose have red spot on my skin”

Value For Money2%

“not worth the price”

Stitch/Finish/Polish2%

“Poor stitching”

Top return reasons

Size-Overall57%
Advertised Vs Actual Product5%
Waist Fit4%
Material Quality3%
Length3%
Shape/Style3%
Chest Fit3%
Quality-Overall2%
Value For Money2%
Comfort-Overall2%