Is sink soap dispenser extension tube kit profitable to sell on Amazon United States?

The niche generates $184K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.7%. Flapen's verdict: Skip it (40/100).

How competitive is the sink soap dispenser extension tube kit niche?

10 brands and 17 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in sink soap dispenser extension tube kit?

Top complaints mined from reviews: Functionality-Overall, Dispensing Mechanism, Durability. The return rate is 3.8%.

When does demand for sink soap dispenser extension tube kit peak?

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

What does it cost to enter the sink soap dispenser extension tube kit niche?

Listings span $5.69–$19.52; the average listing price is $12.37 (sweet spot $15–$100). The average incumbent carries 2,375 reviews — the moat a new listing must climb.

sink soap dispenser extension tube kit

Skip it

A concentrated shelf (top 5 take 85% of clicks) — this niche doesn't clear our bar today.

Conversion

Great10.2%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good$12.37

avg listing price — sweet spot $15–$100

Review moat

Okay2,374.91

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Market size

Okay$184K

$184K/yr · 145K searches

Brand share

Okay85%

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

Price range

Okay$5.69–$19.52

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

Growth

Bad-10.7%

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

Competition

Bad85%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, sink soap dispenser extension tube kit is a $184K/yr Amazon United States market (145K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 40/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

10%

Yofidra29%
SonTiy26%
Xlajiao12%
NEVER - MT10%
DOPKUSS8%
OHiHi4%
Open — no brand owns it (4 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top sink soap dispenser extension tube kit search terms

sink soap dispenser extension tube kit11K/yr +159.8%10.6% conv.
soap dispenser extension tube kit30K/yr -30.5%10.6% conv.
under sink soap dispenser extension tube kit11K/yr -9.0%11.0% conv.
sink soap dispenser tube kit21K/yr -72.6%7.7% conv.
soap dispenser kit6K/yr +9.1%6.6% conv.
soap dispenser tube6K/yr +0.4%6.0% conv.
soap dispenser tube kit for kitchen sink3K/yr +49.3%11.4% conv.
under sink dish soap dispenser tube kit5K/yr -4.0%9.0% conv.
undersink soap dispenser kit4K/yr +16.8%6.5% conv.
soap dispenser extension kit6K/yr -22.5%9.3% conv.

All search terms

Top sink soap dispenser extension tube kit 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Yofidra Sink Soap Dispenser Extension Kit: Under Sink Dish Soap Dispenser with 47 Tube Hose and Check Valve for Prevent Backflow Countertop Kitchen Sink Accessories

Yofidra$12.434.3★6,454 rev

Sink Soap Dispenser Extension Tube Kit with Upgraded Check Valve 47 Under Counter Soap Dispenser Tube for Kitchen Sink Fit Most Soap Containers Strong Suction No More Tiny Bottle Daily Refills

SonTiy$12.554.4★5,744 rev

Xlajiao Sink Soap Dispenser Extension Tube Kit with Upgraded Check Valve Premium 47 Under Counter Soap Dispenser Tube for Kitchen Sink Powerful Suction No More Refilling Tiny Bottle

Xlajiao$6.404.2★880 rev

Never - MT - Kitchen Sink Soap Dispenser Extension Tube Kit - Made in The USA - The Original Under Sink Soap Dispenser Conversion Kit - Never Fill The Little Bottle Again!

NEVER - MT$17.934.4★2,258 rev

Under Sink Soap Dispenser Extension Tube Kit 47 Hose with Check Valve & Weighted Ball Connect Sink Dispenser to Large Dish Soap Bottle No More Refills Includes 4 Universal Bottle Caps

DOPKUSS$11.284.4★268 rev

Newest

by launch date

Soap Dispenser Extension Tube Kit - 39.3 Under Sink Upgrade with Check Valve Powerful Suction Universal Fit for Kitchen Sink Dispenser to Use Large Bottles No More Refills

Flyhigter$5.6966 rev

11mo ago

Yunlihua Soap Dispenser Extension Tube Kit 47 Long Under Sink Soap Dispenser Tube kit with Check Value Dish Soap Dispenser Hose for Kitchen Sink Countertop No More Refilling A Tiny Bottle

Yunlihua$7.01286 rev

2y ago

Xlajiao Sink Soap Dispenser Extension Tube Kit with Upgraded Check Valve Premium 47 Under Counter Soap Dispenser Tube for Kitchen Sink Powerful Suction No More Refilling Tiny Bottle

Xlajiao$6.40880 rev

2y ago

XCHMYi 39 Under Sink Soap Dispenser Kit with Check Valve Premium Food-Grade Silicone Tube & Universal Caps Converts Countertop Dispenser to Use Large Bulk Bottles (Single-Tube)

XCHMYi$5.86157 rev

2y ago

Under Sink Soap Dispenser Extension Tube Kit 47 Hose with Check Valve & Weighted Ball Connect Sink Dispenser to Large Dish Soap Bottle No More Refills Includes 4 Universal Bottle Caps

DOPKUSS$11.28268 rev

2y ago

What buyers say about sink soap dispenser extension tube kit

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

What buyers love

Assembly/Installation22%

“Easy to set up”

Dispensing Mechanism13%

“Soap dispenser”

Quality-Overall9%

“good product and make life easier”

Advertised Vs Actual Product8%

“As advertised”

Ease Of Use7%

“Easy Peasy”

Efficiency6%

“Works perfect for any bottle”

Value For Money5%

“Good deal”

Refills-Overall4%

“No more messy refilling containers blindly”

Design-Overall2%

“Great design”

Leak-Proof2%

“does not leak”

What buyers complain about

Functionality-Overall17%

“it never worked”

Dispensing Mechanism12%

“The soap does not dispense”

Durability12%

“Break easy”

Quality-Overall9%

“CHEAPLY MADE”

Size-Overall9%

“Not a good fit”

Leak-Proof5%

“leaking with this”

Instructions/User Manual/Troubleshooting3%

“Horrible instructions”

Value For Money2%

“Waste of money”

Ease Of Use2%

“hard to get”

Jamming/Clogging2%

“it gets clogged up very easy”

Top return reasons

Dispensing Mechanism32%

Size-Overall27%

Functionality-Overall10%

Advertised Vs Actual Product4%

Defective Material/Parts4%

Value For Money3%

Color3%

Compatibility-Overall3%

Quality-Overall2%

Add-Ons/Attachments2%

Common questions

Is sink soap dispenser extension tube kit profitable to sell on Amazon United States?: The niche generates $184K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.7%. Flapen's verdict: Skip it (40/100).
How competitive is the sink soap dispenser extension tube kit niche?: 10 brands and 17 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in sink soap dispenser extension tube kit?: Top complaints mined from reviews: Functionality-Overall, Dispensing Mechanism, Durability. The return rate is 3.8%.
When does demand for sink soap dispenser extension tube kit peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the sink soap dispenser extension tube kit niche?: Listings span $5.69–$19.52; the average listing price is $12.37 (sweet spot $15–$100). The average incumbent carries 2,375 reviews — the moat a new listing must climb.

sink soap dispenser extension tube kit