---
title: "Black Extension Cord 3ft — $78K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/black-extension-cord-3ft"
last_updated: "2026-08-08T17:26:52.030Z"
locale: en
meta:
description: "Niche score 35/100 · $78K/yr market · 57K searches/yr · $7.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $78K/yr market · 57K searches/yr · $7.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Extension Cord 3ft — $78K/yr Amazon US Niche (2026) - Flapen"
---
# **black extension cord 3ft**
**Skip it**
Prices mostly outside the sweet spot ($4.66–$11.21) — this niche doesn't clear our bar today.
Market size 19Growth 24Conversion 99Competition 27Returns 80Price range 0Avg price 20Brand share 33Review moat 22Quality gap 13
**Conversion**
**Incredible****18.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-1.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****9,086.65**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****$7.33**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****$78K**
$78K/yr · 57K searches
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Price range**
**Bad****$4.66–$11.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, black extension cord 3ft is a $78K/yr Amazon United States market (57K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black extension cord 3ft market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$73K–$92K**
- units × avg price
- **Conversion rate**
- **18.6%**
- **Avg BSR**
- **#62**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **201 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**11%**
- Seeklyze51% - Skrizcable14% - LitStar11% - Belllights5% - LBSC4% - Amazon Basics3% - Open — no brand owns it (5 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.7% search growth over the last 90 days.
2K1KHoliday '24Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/black-extension-cord-3ft/trend)
## **Top black extension cord 3ft search terms**
- **short black extension cord**12K/yr+21.6%10.6% conv. - **black extension cord 3ft**15K/yr-26.5%14.1% conv. - **small black extension cord**6K/yr+18.8%12.5% conv. - **3 foot black extension cord**4K/yr+25.7%16.4% conv. - **3ft black extension cord**4K/yr+19.4%16.7% conv. - **3 ft black extension cord**4K/yr+4.7%17.2% conv. - **3 ft extension cord black**4K/yr-37.3%15.5% conv. - **3 black extension cord**2K/yr+21.2%16.7% conv. - **extension cord black 3ft**3K/yr-11.4%12.0% conv. - **short black extension cord 3ft**3K/yr-16.1%17.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/black-extension-cord-3ft/search-terms)
## **Top black extension cord 3ft 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%10%$8K20%$16K30%$23K40%$31K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**16/3 3FT 13A 125V 1625W Black Indoor Extension Cord Short Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Small Resistant Cable Flexible ETL Listed**Seeklyze**$5.53**4.8★5,386 rev](https://www.amazon.com/dp/B0F3CYKYFD) [2**3FT (2Pack) 13A 125V 1625W ETL Listed 16/3 Indoor Extension Cord Black Short Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Small Resistant Cable Flexible**Seeklyze**$7.34**4.8★5,386 rev](https://www.amazon.com/dp/B0F3D1KP8M) [3**Flat Plug Extension Cord with 3 Outlets - 3Ft Low Profile Indoor 3 Prong Grounded Power Strip for Home Office & Travel - 16 AWG 13A/1625W Black**LitStar**$8.93**4.8★971 rev](https://www.amazon.com/dp/B0FHJ35VF3) [4**16/3 Short Extension Cord 3 FT 2 Pack Black Extension Cord Flexible & Durable Indoor 3 Prong Power Cable Suitable for Home and Office 13 Amp 1625 Watt 125VAC 16AWG ETL Listed**Skrizcable**$7.23**4.8★1,020 rev](https://www.amazon.com/dp/B0FFZ18419) [5**16/3 Short Extension Cord 3 FT Black Extension Cord Flexible & Durable Indoor 3 Prong Power Cable Suitable for Home and Office 13 Amp 1625 Watt 125VAC 16AWG ETL Listed**Skrizcable**$5.17**4.8★1,020 rev](https://www.amazon.com/dp/B0FFZ1B1FW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**18/3 Indoor Extension Cord 3 FT Black Extension Cord Flexible & Durable 3 Prong Power Cable Suitable for Home and Office 10 Amp 1250 Watt 125VAC 18AWG ETL Listed**Skrizcable**$6.30**6 rev7mo ago](https://www.amazon.com/dp/B0G8ZS7RTY) [**Vockjour 3 FT Black Low Profile Flat Plug 14 Gauge Heavy Duty Extension Cord 14AWG 3-Wire Grounded Appliance Extension Cord 15A/125V/1875W SJTW ETL Listed Power Cord**Vockjour**$8.27**415 rev10mo ago](https://www.amazon.com/dp/B0FPDWJ8VT) [**Flat Plug Extension Cord with 3 Outlets - 3Ft Low Profile Indoor 3 Prong Grounded Power Strip for Home Office & Travel - 16 AWG 13A/1625W Black**LitStar**$8.93**971 rev1y ago](https://www.amazon.com/dp/B0FHJ35VF3) [**16/3 Short Extension Cord 3 FT 2 Pack Black Extension Cord Flexible & Durable Indoor 3 Prong Power Cable Suitable for Home and Office 13 Amp 1625 Watt 125VAC 16AWG ETL Listed**Skrizcable**$7.23**1,020 rev1y ago](https://www.amazon.com/dp/B0FFZ18419) [**16/3 Short Extension Cord 3 FT Black Extension Cord Flexible & Durable Indoor 3 Prong Power Cable Suitable for Home and Office 13 Amp 1625 Watt 125VAC 16AWG ETL Listed**Skrizcable**$5.17**1,020 rev1y ago](https://www.amazon.com/dp/B0FFZ1B1FW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**18/3 Indoor Extension Cord 3 FT Black Extension Cord Flexible & Durable 3 Prong Power Cable Suitable for Home and Office 10 Amp 1250 Watt 125VAC 18AWG ETL Listed**Skrizcable**$6.30**5.0★**▲ 318%**](https://www.amazon.com/dp/B0G8ZS7RTY) [**Vockjour 3 FT Black Low Profile Flat Plug 14 Gauge Heavy Duty Extension Cord 14AWG 3-Wire Grounded Appliance Extension Cord 15A/125V/1875W SJTW ETL Listed Power Cord**Vockjour**$8.27**4.8★**▲ 136%**](https://www.amazon.com/dp/B0FPDWJ8VT) [**1875W Short Extension Cord 15A 16AWG Low Profile Flat Plug Heavy Duty Extension Cord Outlet Saver 3-Prong Grounded Power Cable (Black1 Feet)**LBSC**$5.94**4.8★**▲ 104%**](https://www.amazon.com/dp/B0DF55LR66) [**Flat Plug Extension Cord with 3 Outlets - 3Ft Low Profile Indoor 3 Prong Grounded Power Strip for Home Office & Travel - 16 AWG 13A/1625W Black**LitStar**$8.93**4.8★**▲ 71%**](https://www.amazon.com/dp/B0FHJ35VF3) [**16/3 Short Extension Cord 3 FT Black Extension Cord Flexible & Durable Indoor 3 Prong Power Cable Suitable for Home and Office 13 Amp 1625 Watt 125VAC 16AWG ETL Listed**Skrizcable**$5.17**4.8★**▲ 23%**](https://www.amazon.com/dp/B0FFZ1B1FW)
**~~View all trending →~~**
## **What buyers say about black extension cord 3ft**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“Excellent quality”*
**Advertised Vs Actual Product**14%
*“As advertised”*
**Size-Overall**9%
*“great size”*
**Socket/Port/Plug**7%
*“The flat plug is great”*
**Value For Money**6%
*“fair price”*
**Strength**4%
*“GOOD AND STRONG”*
**Add-Ons/Attachments**4%
*“Good quality extension cords”*
**Ease Of Use**4%
*“easy to use”*
**Charging**3%
*“Its a great charger”*
**Weight Heavy**3%
*“Great heavy duty product”*
### **What buyers complain about **
**Size-Overall**12%
*“Doesn't fit”*
**Socket/Port/Plug**9%
*“One of the sockets doesnt work”*
**Quality-Overall**8%
*“Very poor quality control, doesnt work”*
**Functionality-Overall**8%
*“Didn't Work For Me”*
**Add-Ons/Attachments**7%
*“These extension cords are awful”*
**Durability**6%
*“Blew up”*
**Advertised Vs Actual Product**4%
*“Advertised wrong length”*
**Connectivity-Overall**3%
*“Bad connection”*
**Charging**3%
*“the buzzing from charging USB devices gets annoying when Im trying to fall asleep”*
**Flatness**2%
*“The flat part is the wall plug only so this did not work for my needs”*
### **Top return reasons **
**Size-Overall**32%
**Add-Ons/Attachments**13%
**Socket/Port/Plug**9%
**Compatibility-Overall**9%
**Advertised Vs Actual Product**8%
**Functionality-Overall**6%
**Value For Money**6%
**Defective Material/Parts**2%
**Connectivity-Overall**2%
**Color**1%
## **Common questions**
- **Is black extension cord 3ft profitable to sell on Amazon United States?**
- The niche generates $78K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Skip it (35/100).
- **How competitive is the black extension cord 3ft niche?**
- 11 brands and 17 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in black extension cord 3ft?**
- Top complaints mined from reviews: Size-Overall, Socket/Port/Plug, Quality-Overall. The return rate is 1.8%.
- **When does demand for black extension cord 3ft peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the black extension cord 3ft niche?**
- Listings span $4.66–$11.21; the average listing price is $7.33 (sweet spot $15–$100). The average incumbent carries 9,087 reviews — the moat a new listing must climb.
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