Is insinkerator stopper profitable to sell on Amazon United States?

The niche generates $73K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +12.7%. Flapen's verdict: Skip it (45/100).

How competitive is the insinkerator stopper niche?

10 brands and 54 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in insinkerator stopper?

Top complaints mined from reviews: Durability, Drainage, Size-Overall. The return rate is 2.3%.

When does demand for insinkerator stopper peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the insinkerator stopper niche?

Listings span $5.94–$47.49; the average listing price is $15.07 (sweet spot $15–$100). The average incumbent carries 3,603 reviews — the moat a new listing must climb.

insinkerator stopper

Skip it

A small market ($73K/yr) — this niche doesn't clear our bar today.

Conversion

Incredible14.8%

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

Price range

Great$5.94–$47.49

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

Avg price

Great$15.07

avg listing price — sweet spot $15–$100

Returns

Good2.3%

return rate — above 5% kills the launch gate

Growth

Okay+12.7%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay67%

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

Brand share

Okay88%

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

Review moat

Okay3,603.27

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$73K

$73K/yr · 33K searches

According to Flapen's Amazon United States niche tracking, insinkerator stopper is a $73K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 45/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

insinkerator stopper market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $60K–$75K; units × avg price
Conversion rate: 14.8%
Avg BSR: #297
Page quality: 0%
Prime: 100%
Sponsored: 60%
Out of stock: 0.0%
Avg brand age: 51 months
Avg seller age: 170 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 flat

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

InSinkErator52%
Hilltop Products12%
AR-PRO12%
Funmit6%
Inseknm5%
zaa3%
Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +12.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top insinkerator stopper search terms

insinkerator stopper25K/yr +6.1%10.5% conv.
insinkerator sink stopper3K/yr +54.5%13.8% conv.
insinkerator garbage disposal stopper3K/yr +10.6%11.9% conv.
insinkerator plug2K/yr +36.3%11.3% conv.

All search terms

Top insinkerator stopper 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

INSINKERATOR Kitchen Sink Stopper for INSINKERATOR Garbage Disposal STP-SS Stainless Steel

InSinkErator$14.464.7★2,490 rev

3 3/8 inch (8.57 cm) - Kitchen Sink Stopper Stainless Steel Garbage Disposal Plug Fits Standard Kitchen Drain Size of 3 1/2 inch (3.5) Diameter

Hilltop Products$5.944.5★9,853 rev

(2 Pack) Exact Replacement for InSinkErator STP-PL/STPPL Black Rubber Sink Stopper for Garbage Disposal Compatible with Standard 3-1/2 Drains from Kohler Waste King Whirlpool and More

AR-PRO$8.644.5★5,327 rev

INSINKERATOR SilverSaver Kitchen Sink Stopper for INSINKERATOR Garbage Disposal STP-DS Stainless Steel

InSinkErator$23.984.5★2,057 rev

INSINKERATOR Kitchen Sink Stopper for INSINKERATOR Garbage Disposal STP-SSB Brushed Stainless Steel

InSinkErator$18.224.4★566 rev

Newest

by launch date

2 Pcs Sink Stopper Replacement for InSinkErator STP-PL Kitchen Sink Drain Plug - Garbage Disposal Stopper Compatible with Standard 3-1/2 Drains from Kohler Waste King Whirlpool and More

Dincerpen$8.0615 rev

4mo ago

zaa 3 in 1 Kitchen Sink Drain Strainer Stopper Removable Basket Pop-Up

zaa$10.5715,423 rev

2y ago

Upgraded 3 in 1 Kitchen Sink Drain Strainer - Stainless Steel Sink Stopper Anti-Clogging Sink Food Catcher Basket Fast Drainage Odor Filter Sink Plug for US Standard 3 1/2 inch Drain (Silver-1Pack)

Inkhut$9.972,573 rev

2y ago

Sink Stopper Exact Replacement for InSinkErator STP-PL/STPPL for Kitchen Drain Stopper and Garbage Disposal Plug Compatible with Standard 3-1/2 Drains from Kohler Waste King Whirlpool and More

Jayen$8.63896 rev

3y ago

3 3/8 Garbage Disposal Splash Guard Replacement for InSinkErator Evolution

Funmit$9.534,160 rev

4y ago

What buyers say about insinkerator stopper

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

What buyers love

Size-Overall19%

“Easy to fit”

Quality-Overall15%

“Decent quality”

Advertised Vs Actual Product12%

“Better than expected”

Ease Of Use10%

“Easy to remove”

Efficiency10%

“It works pretty well”

Ease Of Cleaning8%

“Ease to clean”

Value For Money5%

“very affordable”

Design-Overall3%

“Excellent Craftsmanship”

Assembly/Installation2%

“Easy to setup and install”

Leak-Proof2%

“Does not leak”

What buyers complain about

Durability13%

“Fell apart”

Drainage12%

“its very slow to drain a sink”

Size-Overall12%

“Too small”

Water Resistance9%

“allows water to seep out”

Functionality-Overall5%

“resulting in poor performance”

Ease Of Cleaning5%

“looks dirty all the time”

Quality-Overall4%

“Poor Quality Control and Used Replacement Sent”

Leak-Proof4%

“Water leaks through”

Ease Of Use2%

“It's difficult getting it out”

Value For Money2%

“A bit pricey compared to others”

Top return reasons

Size-Overall66%

Drainage13%

Functionality-Overall4%

Advertised Vs Actual Product3%

Compatibility-Overall3%

Water Resistance2%

Defective Material/Parts2%

Value For Money1%

Material Quality1%

Quality-Overall1%

Common questions

Is insinkerator stopper profitable to sell on Amazon United States?: The niche generates $73K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +12.7%. Flapen's verdict: Skip it (45/100).
How competitive is the insinkerator stopper niche?: 10 brands and 54 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in insinkerator stopper?: Top complaints mined from reviews: Durability, Drainage, Size-Overall. The return rate is 2.3%.
When does demand for insinkerator stopper peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the insinkerator stopper niche?: Listings span $5.94–$47.49; the average listing price is $15.07 (sweet spot $15–$100). The average incumbent carries 3,603 reviews — the moat a new listing must climb.