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54

8 ft extension cord

Worth a look

Shows searches that convert (15.0% search→purchase), but strong incumbent ratings (4.8★) keeps it on the watch list.

Market size 50Growth 32Conversion 97Competition 55Returns 92Price range 52Avg price 35Brand share 78Review moat 21Quality gap 14

Conversion

Incredible15.0%

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

Returns

Great1.2%

return rate — above 5% kills the launch gate

Brand share

Great57%

top-5 brand share — no brand owns this niche

Competition

Good52%

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

Price range

Good$5.52–$25.19

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

Market size

Okay$272K

$272K/yr · 177K searches

Avg price

Okay$10.24

avg listing price — sweet spot $15–$100

Growth

Okay+5.8%

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

Review moat

Bad10,969.17

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, 8 ft extension cord is a $272K/yr Amazon United States market (177K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 54/100.

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

8 ft extension cord market data

Units sold / yr
25K–30K
avg 1,000–1,250/product
Revenue / yr
$256K–$307K
units × avg price
Conversion rate
15.0%
Avg BSR
#97
Page quality
0%
Prime
100%
Sponsored
58%
Out of stock
1.5%
Avg brand age
54 months
Avg seller age
192 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

34

Top-5 brand share

57%

Top 20: 100%

Top-5 click share

52%

Top 20: 96%

Open market

35%

  • Belllights17%
  • BN-LINK11%
  • GE11%
  • Skrizcable10%
  • Seeklyze9%
  • LitStar8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.8% search growth over the last 90 days.
6K4KHoliday '24Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 1.9×

Top 8 ft extension cord search terms

  • 8 ft extension cord30K/yr
  • 8ft extension cord31K/yr
  • 8 foot extension cord21K/yr
  • extension cord 8 ft17K/yr
  • 8 extension cord14K/yr
  • 8 ft outdoor extension cord7K/yr
  • 8 foot outdoor extension cord7K/yr
  • extension cord 8ft6K/yr
  • 8ft outdoor extension cord5K/yr
  • 8 ft extension cord 3 prong5K/yr
All search terms

Top 8 ft extension cord 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.

0%5%$14K10%$27K15%$41K20%$54K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about 8 ft extension cord

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

What buyers love

Quality-Overall16%

“Build quality feels solid”

Socket/Port/Plug14%

“The USB ports are very convenient”

Advertised Vs Actual Product14%

“as shown in picture”

Value For Money9%

“Awesome for the price”

Charging7%

“charges well”

Ease Of Use6%

“Easy to use”

Size-Overall4%

“I like the size”

Add-Ons/Attachments4%

“perfect extension”

Design-Overall4%

“nice sleek design”

Portability3%

“Great for traveling”

What buyers complain about

Charging13%

“Everything seems to charge slow on this”

Socket/Port/Plug10%

“USB Ports Don't Work”

Durability10%

“broke in 2 weeks”

Functionality-Overall9%

“Didnt work”

Quality-Overall8%

“Very bad quality”

Size-Overall4%

“The tiny light on the other side is too small”

Noise Level3%

“Recently Ive noticed a buzzing noise”

Heating3%

“it overheated”

Value For Money2%

“Given the cost this item is highly overpriced being that it is not a surge protector cord”

Flammable2%

“Caught on fire while power was surging”

Top return reasons

Size-Overall21%
Socket/Port/Plug10%
Add-Ons/Attachments10%
Advertised Vs Actual Product9%
Value For Money9%
Functionality-Overall9%
Charging4%
Compatibility-Overall4%
Defective Material/Parts4%
Color2%

Common questions

Is 8 ft extension cord profitable to sell on Amazon United States?
The niche generates $272K/yr across 24 tracked products. 90-day search growth is +5.8%. Flapen's verdict: Worth a look (54/100).
How competitive is the 8 ft extension cord niche?
17 brands and 34 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in 8 ft extension cord?
Top complaints mined from reviews: Charging, Socket/Port/Plug, Durability. The return rate is 1.2%.
When does demand for 8 ft extension cord peak?
Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the 8 ft extension cord niche?
Listings span $5.52–$25.19; the average listing price is $10.24 (sweet spot $15–$100). The average incumbent carries 10,969 reviews — the moat a new listing must climb.