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27

across the spider-verse shirt

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

Market size 0Growth 13Conversion 0Competition 0Returns 81Price range 95Avg price 94Brand share 0Review moat 87Quality gap 28

Price range

Incredible$15.01–$32.28

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

Avg price

Great$22.51

avg listing price — sweet spot $15–$100

Review moat

Great263.6

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.7%

return rate — above 6% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-24.2%

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

Market size

Bad$0

$0/yr · 6K searches

Conversion

Bad0.0%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

19

Top-5 brand share

100%

Open market

0%

  • OATSBAS23%
  • Bioworld22%
  • Funko20%
  • RZCXBS18%
  • Hot Topic17%

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%$01101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — -24.2% search growth over the last 90 days.
500300Spike '24Black Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 5.1×

Reviews

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

What buyers love

Quality-Overall47%

“have good details”

Gifting Purpose18%

“Nice gift”

Durability7%

“seems like it will hold up very well”

Shape/Style5%

“they absolutely loved the style”

Value For Money4%

“the price was just right”

Advertised Vs Actual Product4%

“What I ordered is what I got”

Metal Quality2%

“Im so pleased with how small yet heavy the metal is”

Material Quality2%

“Nice solid piece”

Size-Overall1%

“how it fits”

Design-Overall1%

“The graphic design looks awesome in person”

What buyers complain about

Size-Overall23%

“Small”

Quality-Overall21%

“Poor quality”

Product Condition14%

“This hoodie came used”

Advertised Vs Actual Product7%

“Looks nothing like the picture”

Material Quality3%

“The only reason I'm giving it 4 stars instead of 5 is the material”

Top return reasons

Size-Overall40%
Chain/Key Quality11%
Advertised Vs Actual Product10%
Material Quality10%
Color6%
Quality-Overall5%
Durability4%
Defective Material/Parts3%
Zipper Quality2%
Value For Money2%