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37

abby cadabby costume

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A small market ($25K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 14Conversion 8Competition 85Returns 26Price range 84Avg price 95Brand share 29Review moat 72Quality gap 21

Avg price

Incredible$27.24

avg listing price — sweet spot $15–$100

Competition

Great30%

top-5 click share — an open shelf

Price range

Great$6.03–$74.08

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

Review moat

Good616.51

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay87%

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

Returns

Okay5.8%

return rate — above 6% kills the launch gate

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-22.8%

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

Conversion

Bad0.6%

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

Market size

Bad$25K

$25K/yr · 143K searches

Competition

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

Brands

14 rising

Sellers

32

Top-5 brand share

87%

Open market

8%

  • Sesame Street49%
  • Haysandy16%
  • INTIMO10%
  • Disguise8%
  • Fun Costumes5%
  • ABG Accessories5%
  • Open — no brand owns it (8 brands, 8%)

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%$7386%$1K9%$2K12%$3K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 55 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -22.8% search growth over the last 90 days.
18K13KHoliday '24Spike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 42.9×

Reviews

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

What buyers love

Size-Overall34%

“Perfect fit”

Quality-Overall16%

“was also great quality for her 1st bday”

Color10%

“The color is great”

Material Quality9%

“Perfect material”

Durability8%

“Durable”

Comfort-Overall5%

“Comfortable, cute, and the size fits”

Advertised Vs Actual Product3%

“Well, ya got it almost right”

Ease Of Use3%

“I like how the wings have velcro on the back so its easy to put on”

Weight Light2%

“It's not too bulky”

Soft Feel1%

“Soft, cute”

What buyers complain about

Size-Overall38%

“tight”

Durability21%

“The pom Pom fell off the hat”

Material Quality7%

“There wasn't any give to the material either”

Defective Material/Parts6%

“Came damaged”

Quality-Overall5%

“Kind of cheap”

Comfort-Overall2%

“Meh for a pajamas it should be more comfortable”

Product Condition2%

“What I didnt like was I got a used costume because the dress”

Allergies2%

“Ruffles on puffed sleeves leaves brush burn rash”

Stitch/Finish/Polish1%

“Poor quality and I cant figure out how to get it stitches back on to do myself”

Value For Money1%

“Definitely not worth the price if it falls apart right away”

Top return reasons

Size-Overall62%
Length7%
Chest Fit3%
Waist Fit3%
Material Quality2%
Advertised Vs Actual Product2%
Sleeve Fit2%
Value For Money2%
Shoulder Fit2%
Arm Fit2%