Skip to content
40

roz monsters inc costume

Skip it

High returns (14.6%) — this niche doesn't clear our bar today.

Market size 3Growth 69Conversion 7Competition 34Returns 0Price range 86Avg price 95Brand share 58Review moat 40Quality gap 72

Avg price

Incredible$32.56

avg listing price — sweet spot $15–$100

Price range

Great$9.83–$104.94

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+49.7%

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

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Review moat

Okay2,455.1

avg incumbent reviews — the moat a new listing must climb

Competition

Okay65%

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

Conversion

Bad0.5%

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

Market size

Bad$11K

$11K/yr · 65K searches

Returns

Bad14.6%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

17

Top-5 brand share

70%

Open market

25%

  • COSUSKET21%
  • Daifunli20%
  • Maiteenly15%
  • QACCF7%
  • Lock and Love7%
  • Beauty Shine5%

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%$1K20%$2K30%$3K40%$4K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 38 weeks — +49.7% search growth over the last 90 days.
9K7KSpike '26Oct '25Nov '25Jan '26Feb '26Apr '26May '26

Reviews

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

What buyers love

Quality-Overall18%

“Warm and quality costume for Halloween”

Color15%

“the color on it”

Size-Overall15%

“Fit perfectly”

Fun/Entertainment Experience8%

“Funny and stayed on”

Wrinkle8%

“I love this skirt, it resists wrinkles, and looks great”

Warmth5%

“The plush material makes it incredibly warm home loungewear”

Material Quality4%

“Fabric is amazing great for cold weather”

Weather Proof3%

“Fabric is amazing great for cold weather”

Transparency3%

“is opaque”

Pockets/Compartments3%

“With pockets”

What buyers complain about

Quality-Overall36%

“the overall construction quality was disappointing”

Value For Money14%

“Price high”

Comfort-Overall14%

“So awkward in the middle”

Size-Overall10%

“Didn't fit, came ripped”

Defective Material/Parts7%

“Parts missing”

Handle Quality5%

“came ripped in the hand part”

Thickness5%

“the material was a bit too thick - it took longer than everything else to dry in the dryer”

Top return reasons

Size-Overall55%
Length11%
Waist Fit8%
Thigh Fit4%
Width2%
Color2%
Material Quality2%
Quality-Overall2%
Advertised Vs Actual Product1%
Value For Money1%