Is croup profitable to sell on Amazon United States?

The niche generates $129K/yr across 8 tracked products. 90-day search growth is -64.3%. Flapen's verdict: Skip it (41/100).

How competitive is the croup niche?

3 brands and 32 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in croup?

Top complaints mined from reviews: Smell, Functionality-Overall, Value For Money. The return rate is 0.3%.

When does demand for croup peak?

Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 6.6× the quietest.

What does it cost to enter the croup niche?

Listings span $11.89–$32.10; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 6,465 reviews — the moat a new listing must climb.

croup

Skip it

Soft demand (-64.3% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Great$19.24

avg listing price — sweet spot $15–$100

Price range

Great$11.89–$32.10

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

Conversion

Great7.6%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Market size

Okay$129K

$129K/yr · 88K searches

Review moat

Bad6,465

avg incumbent reviews — the moat a new listing must climb

Competition

Bad89%

top-5 click share — a locked-up shelf

Growth

Bad-64.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, croup is a $129K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 41/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

croup market data

Units sold / yr: 6K–8K; avg 750–1,000/product
Revenue / yr: $115K–$154K; units × avg price
Conversion rate: 7.6%
Avg BSR: #796
Page quality: 0%
Prime: 75%
Sponsored: 50%
Out of stock: 0.0%
Avg brand age: 56 months
Avg seller age: 146 days

Competition & brand share

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

Vicks81%
airpure12%
Kids Relief7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -64.3% search growth over the last 90 days.

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 6.6×

Open Trend

Top croup search terms

vicks plug in13K/yr -28.2%9.8% conv.
vicks candle22K/yr -64.3%1.7% conv.
vicks plug in wall vaporizer20K/yr -78.0%9.0% conv.
vicks waterless vaporizer12K/yr -70.0%5.9% conv.
waterless vaporizer6K/yr -62.8%3.9% conv.
vicks vaporub candle3K/yr -63.2%2.2% conv.
vicks wall plug in3K/yr -73.0%12.0% conv.
vicks vapor plug in wall3K/yr -74.5%6.1% conv.
vicks plug in wall7K/yr -94.2%14.0% conv.

All search terms

Top croup 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Vicks Advanced Soothing Vapors Waterless Vaporizer with Night Light and VapoPads to Help Relieve Discomfort from Colds and Flu 1 Count (Pack of 1)

Vicks$11.894.2★5,519 rev

Vicks Waterless Menthol Vaporizer for Adults 5 Pads

Vicks$24.504.2★2,582 rev

Airpure Vapowax Vapour Candle Mini Single VC197

airpure$11.993.5★371 rev

Vicks VapoPads with Original Menthol Formula - Vapor Pads Refill for Vicks Humidifiers and Steam Inhalers Scent Pads for Congestion Relief 20-Pack Box Color May Vary

Vicks$15.764.7★20,833 rev

Kids Relief Plug-in Waterless Vaporizer + 5 Soothing Non-Medicated Lavender Menthol Eucalyptus Vapor Refill Pads 1 ct

Kids Relief$12.664.2★739 rev

Newest

by launch date

Vicks VapoShower Plus Shower Steamers Eucalyptus Shower Steamer & Menthol Scent Clean Dissolving Vapor Shower Tablets Aromatherapy Shower Steamer & Shower Bombs 12 count

Vicks$23.0021,474 rev

5y ago

Kids Relief Plug-in Waterless Vaporizer + 5 Soothing Non-Medicated Lavender Menthol Eucalyptus Vapor Refill Pads 1 ct

Kids Relief$12.66739 rev

6y ago

Vicks Advanced Soothing Vapors Mini Waterless Vaporizer With Nightlight V1750 Pack of 2

Vicks$22.0689 rev

9y ago

Vicks VapoPads with Original Menthol Formula - Vapor Pads Refill for Vicks Humidifiers and Steam Inhalers Scent Pads for Congestion Relief 20-Pack Box Color May Vary

Vicks$15.7620,833 rev

10y ago

Vicks Advanced Waterless Vaporizer with 4 Vapopads each (Value Pack of 3)

Vicks$32.10113 rev

10y ago

What buyers say about croup

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

What buyers love

Smell13%

“Cleansing aroma”

Efficiency9%

“Effective,”

Sinus Relief9%

“that really helps clear out sinuses”

Quality-Overall9%

“Better than any other competitive product”

Cold Relief7%

“These worked a miracle on my cold”

Breathability7%

“helps me breathe so much better”

Ease Of Use6%

“Super easy to use—just place one in the corner of the shower”

Cough Relief5%

“First night using it I slept cough free”

Advertised Vs Actual Product4%

“item was as advertised, nice product”

Soothing Effect4%

“Relaxing”

What buyers complain about

Smell24%

“Not even close to the fragrance”

Functionality-Overall11%

“Doesn't work well”

Value For Money10%

“Waste of Money”

Durability8%

“it broke in less than one month”

Strength6%

“Not very powerful”

Quality-Overall4%

“Not the greatest vaporizer”

Solubility4%

“it didnt even dissolve”

Size-Overall3%

“Too small”

Advertised Vs Actual Product3%

“Product just does not live up to its name”

Moist/Dry2%

“The pads were dried out”

Top return reasons

Smell35%

Functionality-Overall25%

Advertised Vs Actual Product12%

Value For Money6%

Size-Overall5%

Solubility4%

Durability2%

Strength2%

Sinus Relief1%

Certifications1%

Common questions

Is croup profitable to sell on Amazon United States?: The niche generates $129K/yr across 8 tracked products. 90-day search growth is -64.3%. Flapen's verdict: Skip it (41/100).
How competitive is the croup niche?: 3 brands and 32 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in croup?: Top complaints mined from reviews: Smell, Functionality-Overall, Value For Money. The return rate is 0.3%.
When does demand for croup peak?: Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 6.6× the quietest.
What does it cost to enter the croup niche?: Listings span $11.89–$32.10; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 6,465 reviews — the moat a new listing must climb.