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yoshi onesie

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 37Growth 25Conversion 10Competition 28Returns 0Price range 91Avg price 95Brand share 0Review moat 81Quality gap 45

Avg price

Incredible$43.66

avg listing price — sweet spot $15–$100

Price range

Great$22.69–$103.79

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

Review moat

Great385.2

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$184K

$184K/yr · 533K searches

Competition

Okay68%

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

Growth

Bad-0.9%

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

Conversion

Bad0.8%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Returns

Bad12.8%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, yoshi onesie is a $184K/yr Amazon United States market (533K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 32/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

yoshi onesie market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
$218K–$262K
units × avg price
Conversion rate
0.8%
Avg BSR
#30,545
Page quality
0%
Prime
100%
Sponsored
73%
Out of stock
4.6%
Avg brand age
35 months
Avg seller age
175 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

48

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

0%

  • KZLFSHI50%
  • LaKigurumi18%
  • Disguise17%
  • SAZAC7%
  • Tooplab7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.9% search growth over the last 90 days.
90K70KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 46.6×

Top yoshi onesie search terms

  • yoshi costume181K/yr
  • yoshi costume adult194K/yr
  • yoshi onesie39K/yr
  • yoshi onesie adult15K/yr
  • yoshi inflatable costume6K/yr
  • adult yoshi costume15K/yr
  • yoshi adult costume10K/yr
  • yoshi costume women15K/yr
  • inflatable yoshi costume4K/yr
  • yoshi mask4K/yr
All search terms

Top yoshi onesie products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$18K20%$37K30%$55K40%$74K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about yoshi onesie

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

What buyers love

Comfort-Overall25%

“so cute and comfy”

Material Quality25%

“very good material it looks exactly like on the picture”

Warmth13%

“Nice and warm fir trick ir treat”

Advertised Vs Actual Product13%

“Did served the purpose”

Size-Overall13%

“true to size”

Pockets/Compartments13%

“and it has pockets”

What buyers complain about

Size-Overall40%

“however i could have sized down since its a tony bit big”

Functionality-Overall20%

“It doesn't work”

Inflation/Deflation17%

“the fan does not work after a few wears to keep inflated”

Product Condition10%

“Ordered a used. very good condition”

Value For Money7%

“This suit is expensive”

Durability7%

“Broke right away”

Top return reasons

Size-Overall65%
Length10%
Material Quality3%
Quality-Overall3%
Sleeve Fit2%
Smell2%
Thigh Fit2%
Advertised Vs Actual Product2%
Product Condition1%
Functionality-Overall1%

Common questions

Is yoshi onesie profitable to sell on Amazon United States?
The niche generates $184K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.9%. Flapen's verdict: Skip it (32/100).
How competitive is the yoshi onesie niche?
5 brands and 48 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in yoshi onesie?
Top complaints mined from reviews: Size-Overall, Functionality-Overall, Inflation/Deflation. The return rate is 12.8% — above our launch gate.
When does demand for yoshi onesie peak?
Demand peaks in Sep–Oct; the busiest month runs 46.6× the quietest.
What does it cost to enter the yoshi onesie niche?
Listings span $22.69–$103.79; the average listing price is $43.66 (sweet spot $15–$100). The average incumbent carries 385 reviews — the moat a new listing must climb.