Is bathtub profitable to sell on Amazon United States?

The niche generates $4.3M/yr across 91 tracked products. 30 of 43 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (58/100).

How competitive is the bathtub niche?

56 brands and 70 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 36% of demand.

What do buyers complain about in bathtub?

Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 4.5%.

When does demand for bathtub peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the bathtub niche?

Listings span $12.46–$853.07; the average listing price is $177.51 (sweet spot $15–$100). The average incumbent carries 1,109 reviews — the moat a new listing must climb.

bathtub

Worth a look

Shows a $4.3M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$4.3M

$4.3M/yr · 3.3M searches

Brand share

Incredible36%

top-5 brand share — no brand owns this niche

Competition

Great26%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,108.63

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$177.51

avg listing price — sweet spot $15–$100

Returns

Okay4.5%

return rate — above 5% kills the launch gate

Growth

Bad-1.8%

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

Price range

Bad$12.46–$853.07

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

Conversion

Bad0.7%

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

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, bathtub is a $4.3M/yr Amazon United States market (3.3M searches/yr). The top 5 brands hold 36% of demand. Verdict: Worth a look — 58/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

bathtub market data

Units sold / yr: 15K–20K; avg 100–250/product
Revenue / yr: $2.7M–$3.6M; units × avg price
Conversion rate: 0.7%
Avg BSR: #170
Page quality: 0%
Prime: 96%
Sponsored: 89%
Out of stock: 11.2%
Avg brand age: 39 months
Avg seller age: 163 days

Competition & brand share

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

56 rising

Sellers

Top-5 brand share

36%

Top 20: 76%

Top-5 click share

26%

Top 20: 59%

Open market

59%

Generic11%
LOMOTIVE6%
CO-Z6%
Onebook6%
ELDERFLOWER & BERRIES6%
STARBRILLIANT5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top bathtub search terms

portable bathtub495K/yr +7.3%0.6% conv.
bathtub535K/yr -20.4%0.2% conv.
tub320K/yr +2.5%0.2% conv.
bath tub295K/yr -16.3%0.3% conv.
portable bathtub adult197K/yr -10.0%0.4% conv.
foldable bathtub113K/yr +82.0%0.4% conv.
inflatable bathtub210K/yr -19.0%0.7% conv.
portable tub130K/yr +15.8%0.5% conv.
inflatable tub120K/yr -0.4%0.6% conv.
soaking tub112K/yr -9.2%0.3% conv.

All search terms

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

Top sellers

by 90-day click share

Portable Bathtub Foldable Bathtub for Adults Separate Family Bathroom SPA Therapy Tub for Shower Stall Soaking Hot SPA and Ice Bath Tub 45.3x23.6x19.7

Onebook$47.464.1★329 rev

Portable Bathtub for Adult- Extra Large 56 Foldable Collapsible tub. Ergonomically Designed for the Ultimate Relaxing Soaking Bath Ice Bath. Ideal for Small Spaces Quick Effortless Folding Bathtub

ELDERFLOWER & BERRIES$235.484.4★660 rev

Ingenuity Tuckaway Toddler Folding Tub Converts Shower to Tub Folds to Store Easy to Clean No Assembly Required Portable Baby Bathtub for Travel 12M-5Y Green

Ingenuity$31.484.4★1,190 rev

Portable Bathtub for Adult Foldable Soaking Bathtub for Hot SPA&Ice Bath Foldable Small Bathtub collapsible bathtub for Bathing 6-layer Insulated portable tub Space-Saving (black 25.9X31.5 IN)

Generic$57.784.1★150 rev

CO-Z Inflatable Bathtub with Electric Air Pump and Bath Pillow Headrest Portable Blow Up Bath Tub for Adults Outdoor & Indoor Freestanding Foldable Spa Tub with Cover Drainage Cup Holder Brown

CO-Z$57.134.1★3,985 rev

Newest

by launch date

Portable Bathtub for Adult Foldable Soaking Bathtub for Hot SPA&Ice Bath Foldable Small Bathtub collapsible bathtub for Bathing 6-layer Insulated portable tub Space-Saving (Lotus 27.5X26.6 IN)

Generic$49.28150 rev

5mo ago

Portable Bathtub for Adult Foldable Soaking Bathtub for Hot SPA&Ice Bath Foldable Small Bathtub collapsible bathtub for Bathing 6-layer Insulated portable tub Space-Saving (black 41.3X26.6 IN)

Generic$81.72150 rev

6mo ago

Portable Bathtub for Adult Foldable Soaking Bathtub for Hot SPA&Ice Bath Foldable Small Bathtub collapsible bathtub for Bathing 6-layer Insulated portable tub Space-Saving (black 25.9X31.5 IN)

Generic$57.78150 rev

7mo ago

Baby Bathtub for 6M-3Y Toddler Baby Shower Gifts & Registry Search for Boys Girls Collapsible & Portable Bathtub for Beach Vacation Travel Bath Essentials for Toddler Newborn Kids

Bella's Friends Life$20.9257 rev

8mo ago

Portable Foldable Bathtub for Adults 47Lx22Wx20H Pink

LOMOTIVE$58.98134 rev

9mo ago

What buyers say about bathtub

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

What buyers love

Size-Overall12%

“Great product true size”

Ease Of Use9%

“Very handy”

Quality-Overall9%

“Amazing quality”

Value For Money6%

“Cant beat the price”

Advertised Vs Actual Product5%

“As Advertised”

Portability5%

“Nice and portable”

Strength4%

“The pump is powerful”

Durability4%

“Nice, durable material”

Assembly/Installation4%

“Assembly was easy”

Comfort-Overall4%

“comfortable”

What buyers complain about

Size-Overall10%

“Little small”

Leak-Proof9%

“LEAKS BADLY”

Durability6%

“Completely broken after less than a year”

Strength6%

“Its not very sturdy”

Quality-Overall5%

“Poor quality control”

Value For Money4%

“Not worth the price”

Comfort-Overall3%

“the baby is not in a comfortable position”

Ease Of Use3%

“its imposible to remove”

Instructions/User Manual/Troubleshooting3%

“No directions”

Drainage3%

“drained no good”

Top return reasons

Size-Overall42%

Advertised Vs Actual Product5%

Leak-Proof5%

Material Quality4%

Value For Money4%

Strength4%

Functionality-Overall3%

Age Suitability3%

Product Condition3%

Defective Material/Parts3%

Common questions

Is bathtub profitable to sell on Amazon United States?: The niche generates $4.3M/yr across 91 tracked products. 30 of 43 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (58/100).
How competitive is the bathtub niche?: 56 brands and 70 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 36% of demand.
What do buyers complain about in bathtub?: Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 4.5%.
When does demand for bathtub peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the bathtub niche?: Listings span $12.46–$853.07; the average listing price is $177.51 (sweet spot $15–$100). The average incumbent carries 1,109 reviews — the moat a new listing must climb.