Is extension cord 20 ft profitable to sell on Amazon United States?

The niche generates $724K/yr across 21 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +12.8%. Flapen's verdict: Worth a look (55/100).

How competitive is the extension cord 20 ft niche?

16 brands and 21 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in extension cord 20 ft?

Top complaints mined from reviews: Quality-Overall, Charging, Durability. The return rate is 2.0%.

When does demand for extension cord 20 ft peak?

Demand peaks in Nov–Dec; the busiest month runs 1.7× the quietest.

What does it cost to enter the extension cord 20 ft niche?

Listings span $8.55–$36.19; the average listing price is $16.67 (sweet spot $15–$100). The average incumbent carries 12,055 reviews — the moat a new listing must climb.

extension cord 20 ft

Worth a look

Shows searches that convert (14.4% search→purchase), but strong incumbent ratings (4.8★) keeps it on the watch list.

Conversion

Incredible14.4%

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

Avg price

Great$16.67

avg listing price — sweet spot $15–$100

Price range

Great$8.55–$36.19

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

Returns

Good2.0%

return rate — above 5% kills the launch gate

Market size

Good$724K

$724K/yr · 301K searches

Brand share

Good72%

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

Growth

Okay+12.8%

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

Competition

Okay63%

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

Review moat

Bad12,054.81

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, extension cord 20 ft is a $724K/yr Amazon United States market (301K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.

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

extension cord 20 ft market data

Units sold / yr: 40K–50K; avg 2,000–2,500/product
Revenue / yr: $667K–$834K; units × avg price
Conversion rate: 14.4%
Avg BSR: #161
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 11.2%
Avg brand age: 50 months
Avg seller age: 197 days

Competition & brand share

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

Brands

16 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

63%

Top 20: 98%

Open market

24%

Amazon Basics28%
Seeklyze23%
Tcstei10%
Power By GoGreen7%
One Beat5%
SUPERDANNY4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +12.8% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 1.7×

Open Trend

Top extension cord 20 ft search terms

20 ft extension cord83K/yr +16.3%10.4% conv.
20ft extension cord49K/yr +20.8%10.0% conv.
20 foot extension cord39K/yr +20.7%10.5% conv.
extension cord 20 ft34K/yr +14.0%10.7% conv.
20 extension cord21K/yr +30.6%11.8% conv.
extension cord 20+ ft21K/yr -1.2%11.3% conv.
extension cord 20ft7K/yr +31.6%10.8% conv.
20 feet extension cord indoor6K/yr -1.7%7.9% conv.
flat extension cord 20 ft5K/yr -8.2%4.5% conv.
extension cord 204K/yr +14.5%13.2% conv.

All search terms

Top extension cord 20 ft 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

16/3 Black 20 FT Extension Cord Indoor Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Resistant Cable Flexible 13A 125V 1625W ETL Listed

Seeklyze$8.724.8★5,386 rev

Amazon Basics Extension Cord 20 Ft 3 Prong Outlet Extender Indoor 13 Amps 125V 16 AWG Black

Amazon Basics$8.554.8★61,533 rev

Amazon Basics Extension Cord 20 Ft 3 Prong Outlet Extender Indoor Power Cord 13 Amps 125V White

Amazon Basics$9.044.8★61,533 rev

20Ft Extension Cord Flat Plug Power Strip - Tcstei 3-Side Outlet Extender with 6 AC Outlets and 3 USB Ports (1 USB C) Compact for Home Office Dorm Room Essentials White

Tcstei$15.064.7★2,641 rev

Go Green Power 20ft White Extension Cord 3 Outlets 16/2 Gauge Indoor Use Child-Safe Covers UL Listed for Home & Office Electronics

Power By GoGreen$10.074.7★8,336 rev

Newest

by launch date

20 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials

SUPERDANNY$20.20283 rev

4mo ago

Extension Cord 20 Ft One Beat Surge Protector Power Strip 20 Ft Long Cord 8 AC Outlets with 4 USB Ports(2 USB C) White Power Strip for Home Office College Dorm Room Desk Essentials

One Beat$24.136,398 rev

6mo ago

Flat Plug Extension Cord 20Ft One Beat 900J Surge Protector Power Strip 20 Ft Cord with 6 Widely Outlets 4 USB Ports (2 USB C) Wall Outlet Extender Extension Cord for College Dorm Room Home Office

One Beat$23.0112,918 rev

7mo ago

Go Green Power 20ft White Extension Cord 3 Outlets 16/2 Gauge Indoor Use Child-Safe Covers UL Listed for Home & Office Electronics

Power By GoGreen$10.078,336 rev

11mo ago

20Ft Long Extension Cord Flat Plug Power Strip with 8 Outlets & 4 USB Ports (2 USB C) Wall Mountable Surge Protector Desk Charging Station for Home Office College Dorm Room Essentials

SUPERDANNY$24.24280 rev

1y ago

What buyers say about extension cord 20 ft

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

What buyers love

Quality-Overall26%

“It is strong quality”

Advertised Vs Actual Product15%

“As expected”

Value For Money9%

“Good price”

Add-Ons/Attachments8%

“A great extension for any situation”

Strength6%

“Good sturdy cord”

Durability5%

“Feels durable”

Socket/Port/Plug4%

“USB ports it is very convenient”

Ease Of Use4%

“Easy to use”

Size-Overall2%

“fits well”

Flexibility2%

“Pretty flexible”

What buyers complain about

Quality-Overall22%

“Poor Quality”

Charging11%

“caused charging issues”

Durability10%

“Stopped working after a couple weeks”

Thickness6%

“Housing is too thin”

Functionality-Overall4%

“Works, poor insulation, cheap cable”

Heating4%

“Cord was coiled while the outer costing was still hot”

Product Condition4%

“This cannot be new”

Strength3%

“will rip super easy”

Size-Overall3%

“Small in size with many outlits”

Defective Material/Parts3%

“Rip off”

Top return reasons

Size-Overall23%

Add-Ons/Attachments13%

Value For Money11%

Advertised Vs Actual Product9%

Compatibility-Overall8%

Functionality-Overall6%

Quality-Overall4%

Socket/Port/Plug3%

Color3%

Weight Heavy2%

Common questions

Is extension cord 20 ft profitable to sell on Amazon United States?: The niche generates $724K/yr across 21 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +12.8%. Flapen's verdict: Worth a look (55/100).
How competitive is the extension cord 20 ft niche?: 16 brands and 21 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in extension cord 20 ft?: Top complaints mined from reviews: Quality-Overall, Charging, Durability. The return rate is 2.0%.
When does demand for extension cord 20 ft peak?: Demand peaks in Nov–Dec; the busiest month runs 1.7× the quietest.
What does it cost to enter the extension cord 20 ft niche?: Listings span $8.55–$36.19; the average listing price is $16.67 (sweet spot $15–$100). The average incumbent carries 12,055 reviews — the moat a new listing must climb.