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37

hai kostüm

Skip it

Soft demand (-78.1% this quarter) — this niche doesn't clear our bar today.

Market size 11Growth 0Conversion 20Competition 36Returns 15Price range 95Avg price 95Brand share 48Review moat 82Quality gap 76

Avg price

Incredible€25.83

avg listing price — sweet spot $15–$100

Price range

Incredible€17.42–€33.76

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

Review moat

Great358.38

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay76%

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

Competition

Okay63%

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

Conversion

Bad1.6%

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

Returns

Bad7.8%

return rate — above 5% kills the launch gate

Market size

Bad€44K

€44K/yr · 107K searches

Growth

Bad-78.1%

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

According to Flapen's Amazon Germany niche tracking, hai kostüm is a €44K/yr Amazon Germany market (107K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Feb–Oct. Verdict: Skip it — 37/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

hai kostüm market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
€39K–€52K
units × avg price
Conversion rate
1.6%
Avg BSR
#871
Page quality
0%
Prime
100%
Sponsored
92%
Out of stock
6.9%
Avg brand age
39 months
Avg seller age
207 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

18

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

63%

Top 20: 93%

Open market

18%

  • QUSLLIS24%
  • FXICH21%
  • RANSUU14%
  • AMAMHAHAVA9%
  • Original Cup7%
  • OppoSuits6%
  • Open — no brand owns it (7 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -78.1% search growth over the last 90 days.
20K15KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Oct · busiest ÷ quietest = 13.6×

Top hai kostüm search terms

  • hai kostüm64K/yr
  • hai kostüm erwachsene14K/yr
  • shark costume7K/yr
  • hai kostüm aufblasbar5K/yr
  • kostüm hai8K/yr
  • haikostüm5K/yr
  • haifisch kostüm5K/yr
All search terms

Top hai kostüm 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%5%€2K10%€4K15%€7K20%€9K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about hai kostüm

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

What buyers love

Spaß/Unterhaltungserlebnis25%

“Super, lustig”

Weiches Gefühl13%

“Weiche und kuschelige Decke”

Komfort insgesamt8%

“Bequeme und kuschelig”

Qualität insgesamt8%

“Super Qualität”

Preis-Leistungs-Verhältnis6%

“Für den Preis absolut okay”

Design insgesamt6%

“Gute Verarbeitung”

Wärme6%

“Sehr weich und warm”

Speicherkapazität6%

“viel Platz drin”

Effizienz6%

“Es funktioniert einwandfrei”

Haltbarkeit3%

“Hält nach 2 Jahren immer noch”

What buyers complain about

Gesamtgröße25%

“Sie fällt tatsächlich klein aus, deshalb eher eine Nummer größer bestellen”

Haltbarkeit25%

“Für einen Tag, mehr nicht”

Funktionalität insgesamt25%

“Sieht nett aus, aber damit kann man nichts mehr machen: nicht mehr Autofahren, nicht mehr Bahn fahren und kaum noch laufen”

Länge25%

“in dem Fall fällt die XL Version etwas kurz aus.”

Top return reasons

Gesamtgröße76%
Qualität insgesamt4%
Länge3%
Defekt Material/Teile2%
Nähen/Finish/Polieren2%
Materialqualität2%
Geruch2%
Funktionalität insgesamt1%
Inflation/Deflation1%
Komfort insgesamt1%

Common questions

Is hai kostüm profitable to sell on Amazon Germany?
The niche generates €44K/yr across 26 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -78.1%. Flapen's verdict: Skip it (37/100).
How competitive is the hai kostüm niche?
13 brands and 18 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in hai kostüm?
Top complaints mined from reviews: Gesamtgröße, Haltbarkeit, Funktionalität insgesamt. The return rate is 7.8% — above our launch gate.
When does demand for hai kostüm peak?
Demand peaks in Jan–Feb–Oct; the busiest month runs 13.6× the quietest.
What does it cost to enter the hai kostüm niche?
Listings span €17.42–€33.76; the average listing price is €25.83 (sweet spot $15–$100). The average incumbent carries 358 reviews — the moat a new listing must climb.