---
title: "30 Ft Extension Cord — $359K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/30-ft-extension-cord"
last_updated: "2026-08-06T23:53:57.727Z"
locale: en
meta:
description: "Niche score 61/100 · $359K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $359K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "30 Ft Extension Cord — $359K/yr Amazon US Niche (2026) - Flapen"
---
# **30 ft extension cord**
**Worth a look**
Shows searches that convert (11.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 54Growth 58Conversion 94Competition 62Returns 71Price range 75Avg price 91Brand share 77Review moat 21Quality gap 14
**Conversion**
**Great****11.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$21.26**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****58%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$7.82–$36.19**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+33.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$359K**
$359K/yr · 145K searches
**Review moat**
**Bad****10,858.32**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, 30 ft extension cord is a $359K/yr Amazon United States market (145K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 61/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **30 ft extension cord market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$319K–$425K**
- units × avg price
- **Conversion rate**
- **11.7%**
- **Avg BSR**
- **#140**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **79%**
- **Out of stock**
- **3.6%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**23**
**Top-5 brand share**
**58%**
Top 20: 99%
**Top-5 click share**
**48%**
Top 20: 93%
**Open market**
**35%**
- Tiffcofio15% - Skrizcable14% - Amazon Basics12% - GE10% - Elecan8% - Conable7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +33.1% search growth over the last 90 days.
5K3KHoliday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/30-ft-extension-cord/trend)
## **Top 30 ft extension cord search terms**
- **30 ft extension cord**38K/yr+35.5%8.8% conv. - **30ft extension cord**21K/yr+15.2%8.3% conv. - **30 foot extension cord**19K/yr+33.7%8.6% conv. - **extension cord 30 ft**13K/yr+21.3%10.3% conv. - **30 extension cord**9K/yr+52.2%9.3% conv. - **30 ft outdoor extension cord**7K/yr+109.6%11.0% conv. - **extension cord 30+ ft**7K/yr+1.6%10.3% conv. - **35 ft extension cord**6K/yr+8.8%6.8% conv. - **30 feet extension cord**5K/yr+19.2%8.1% conv. - **30 foot outdoor extension cord**5K/yr+100.2%12.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/30-ft-extension-cord/search-terms)
## **Top 30 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%4%$14K8%$29K12%$43K16%$57K101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**TiFFCOFiO Indoor Outdoor Extension Cord Waterproof 30 Feet 3 Prong Power Cord for Home and Garden 16 AWG 13A/1625W ETL Listed (30 FT)**Tiffcofio**$19.37**4.7★58 rev](https://www.amazon.com/dp/B0G3ZBMB1W) [2**GE Outdoor Extension Cord 40 Ft Grounded Heavy Duty Extension Cord 16AWG 3 Prong Outdoor Extension Cord ETL Listed Green 81601**GE**$16.48**4.8★2,473 rev](https://www.amazon.com/dp/B0DJDGQK32) [3**Amazon Basics Extension Cord 25 Ft 3 Prong Outlet Extender Indoor Power Cord 13 Amps 125V Black**Amazon Basics**$11.13**4.8★61,533 rev](https://www.amazon.com/dp/B076KFTPWM) [4**Skrizcable 16/3 25 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 13 Amps 1625 Watts 125 VAC 16AWG SJTW ETL Listed**Skrizcable**$10.58**4.7★5,828 rev](https://www.amazon.com/dp/B0DJ1BVZGX) [5**Outdoor Extension Cord 30 Ft with 3 Outlets 14/3 SJTW 3 Prong Grounded Power Cord 14 Gauge 14AWG Heavy Duty Power Cable ETL Listed 15 Amp 125 V 1875 W-Multiple Outlets for Indoor/Outdoor-Black**Elecan**$30.47**4.8★831 rev](https://www.amazon.com/dp/B0BG54CQW2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**16AWG Black 30FT Outdoor Extension Cord Heavy Duty Waterproof & Cold-Resistant Ideal for Lawn Mowers Power Tools Outdoor Lights ETL Listed 3 Prong Copper Conductor 13A 125V 1625W**Seeklyze**$19.53**5,386 rev3mo ago](https://www.amazon.com/dp/B0GWYRFXPS) [**16/3 13A 125V 1625W 30 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant White 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed**Skrizcable**$23.15**5,828 rev7mo ago](https://www.amazon.com/dp/B0G7Y37JT7) [**16/3 13A 125V 1625W 30 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed**Skrizcable**$30.62**5,828 rev7mo ago](https://www.amazon.com/dp/B0G7YY6WDT) [**TiFFCOFiO Indoor Outdoor Extension Cord Waterproof 30 Feet 3 Prong Power Cord for Home and Garden 16 AWG 13A/1625W ETL Listed (30 FT)**Tiffcofio**$19.37**58 rev8mo ago](https://www.amazon.com/dp/B0G3ZBMB1W) [**35 Ft 13A 1625W 16AWG White Indoor Outdoor Extension Cord Waterproof Extension Cord with 3 Prong Grounded Plug Flexible Weatherproof Power Cable SJTW**Vockjour**$18.15**108 rev9mo ago](https://www.amazon.com/dp/B0FVD4JTT4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**16AWG Black 30FT Outdoor Extension Cord Heavy Duty Waterproof & Cold-Resistant Ideal for Lawn Mowers Power Tools Outdoor Lights ETL Listed 3 Prong Copper Conductor 13A 125V 1625W**Seeklyze**$19.53**4.8★**▲ 215%**](https://www.amazon.com/dp/B0GWYRFXPS) [**TiFFCOFiO Indoor Outdoor Extension Cord Waterproof 30 Feet 3 Prong Power Cord for Home and Garden 16 AWG 13A/1625W ETL Listed (30 FT)**Tiffcofio**$19.37**4.7★**▲ 208%**](https://www.amazon.com/dp/B0G3ZBMB1W) [**16/3 13A 125V 1625W 30 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant White 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed**Skrizcable**$23.15**4.7★**▲ 192%**](https://www.amazon.com/dp/B0G7Y37JT7) [**16/3 13A 125V 1625W 30 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed**Skrizcable**$30.62**4.7★**▲ 177%**](https://www.amazon.com/dp/B0G7YY6WDT) [**Philips EZGrip 1-Outlet Outdoor Extension Cord Grounded 3 Prong Cord Heavy Duty Extension Cord 25 Ft 16 AWG Black SPS3304B/37**PHILIPS**$16.58**4.9★**▲ 139%**](https://www.amazon.com/dp/B0FFHKQN5M)
**~~View all trending →~~**
## **What buyers say about 30 ft extension cord**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“Excellent quality”*
**Advertised Vs Actual Product**16%
*“As Advertised”*
**Value For Money**14%
*“Good value for money”*
**Durability**7%
*“Feels durable”*
**Strength**7%
*“Good sturdy cord”*
**Add-Ons/Attachments**4%
*“A great extension for any situation”*
**Weight Heavy**4%
*“Heavy duty”*
**Ease Of Use**3%
*“Easy to use”*
**Efficiency**2%
*“Works great”*
**Flexibility**2%
*“it is indeed flexible”*
### **What buyers complain about **
**Quality-Overall**29%
*“Garbage quality”*
**Durability**9%
*“Stopped working after a couple weeks”*
**Heating**8%
*“Not good - I connected this extension cord with a small heater”*
**Size-Overall**5%
*“Connector is overly wide”*
**Ease Of Use**4%
*“this makes it difficult to use”*
**Strength**4%
*“The cord feels fragile”*
**Thickness**3%
*“Thin and weak”*
**Value For Money**3%
*“I probably could have found a cheaper one in a store”*
**Charging**3%
*“caused charging issues”*
**Water Resistance**2%
*“Not waterproof”*
### **Top return reasons **
**Size-Overall**22%
**Add-Ons/Attachments**16%
**Value For Money**11%
**Compatibility-Overall**8%
**Advertised Vs Actual Product**8%
**Functionality-Overall**6%
**Quality-Overall**4%
**Thin**4%
**Socket/Port/Plug**3%
**Defective Material/Parts**2%
## **Common questions**
- **Is 30 ft extension cord profitable to sell on Amazon United States?**
- The niche generates $359K/yr across 28 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +33.1%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the 30 ft extension cord niche?**
- 22 brands and 23 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 58% of demand.
- **What do buyers complain about in 30 ft extension cord?**
- Top complaints mined from reviews: Quality-Overall, Durability, Heating. The return rate is 2.2%.
- **When does demand for 30 ft extension cord peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the 30 ft extension cord niche?**
- Listings span $7.82–$36.19; the average listing price is $21.26 (sweet spot $15–$100). The average incumbent carries 10,858 reviews — the moat a new listing must climb.
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