---
title: "12/3 Romex — $457K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/12-3-romex"
last_updated: "2026-08-06T19:43:37.260Z"
locale: en
meta:
description: "Niche score 53/100 · $457K/yr market · 135K searches/yr · $71.63 avg price. Soft demand (-3.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $457K/yr market · 135K searches/yr · $71.63 avg price. Soft demand (-3.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "12/3 Romex — $457K/yr Amazon US Niche (2026) - Flapen"
---
# **12/3 romex**
**Worth a look**
Shows a sweet-spot price point ($71.63 avg), but soft demand (-3.0% this quarter) keeps it on the watch list.
Market size 58Growth 24Conversion 56Competition 77Returns 56Price range 39Avg price 85Brand share 48Review moat 84Quality gap 30
**Avg price**
**Great****$71.63**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****315.19**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Market size**
**Good****$457K**
$457K/yr · 135K searches
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$20.21–$223.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-3.0%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 12/3 romex is a $457K/yr Amazon United States market (135K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **12/3 romex market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$358K–$430K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#365**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **74%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**15 **▲rising
**Sellers**
**53**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**38%**
Top 20: 80%
**Open market**
**19%**
- Southwire21% - VN Infinite quality21% - XMK15% - YDDECW13% - ARIZONA ELECTRICAL SOLUTIONS6% - Cerrowire5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.0% search growth over the last 90 days.
3K2KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/12-3-romex/trend)
## **Top 12/3 romex search terms**
- **12/3 romex**56K/yr-2.8%4.6% conv. - **12/3 wire**26K/yr+5.0%2.1% conv. - **12-3 romex**12K/yr-20.8%5.2% conv. - **12/3**6K/yr+17.6%2.3% conv. - **12-3 wire**7K/yr+7.2%2.1% conv. - **romex 12/3**7K/yr-15.7%3.8% conv. - **12 3 romex**5K/yr+1.2%2.3% conv. - **12 3 wire**4K/yr+13.7%1.8% conv. - **12/3 romex 50 ft**4K/yr-21.1%9.2% conv. - **12/3 romex 100 ft**3K/yr-16.4%6.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/12-3-romex/search-terms)
## **Top 12/3 romex 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%3%$14K6%$27K9%$41K12%$55K1101001K 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**Southwire Romex SIMpull Residential Wire 12 Gauge 3 Conductor 25 Ft W/G NM-B Cable Purple 63947821**Southwire**$42.38**4.8★162 rev](https://www.amazon.com/dp/B0D151Q7JG) [2**VN Infinite quality Solid Indoor Wire 12/3 W/G NMB Cable 50ft Coil - Residential Indoor Electrical Wire Type NM-B; Yellow SW# 63947622**VN Infinite quality**$66.67**4.8★11 rev](https://www.amazon.com/dp/B0D6TDZQMN) [3**NM-B 12/3 Wire with Ground 25ft 12 Gauge 3 Conductor Electrical Wire 12 AWG Solid Copper Indoor W/G NMB Cable 12/3 Non-Metallic Sheathed Cable Residential Wiring for Outlets Switches Lighting**XMK**$39.63**4.8★23 rev](https://www.amazon.com/dp/B0G2WHDC3R) [4**VN Infinite quality Solid Indoor Wire 12/3 W/G NMB Cable 25ft Coil - Residential Indoor Electrical Wire Type NM-B; Yellow SW# 63947621**VN Infinite quality**$39.96**5.0★17 rev](https://www.amazon.com/dp/B0D6TK19HV) [5**VN Infinite quality Solid Indoor Wire 12/3 W/G NMB Cable 100 FT - Residential Indoor Electrical Wire Type NM-B; Yellow SW# 63947620 (100 Ft)**VN Infinite quality**$128.59**4.6★8 rev](https://www.amazon.com/dp/B0F3LYQHHK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NM-B 12/3 Wire with Ground 25ft 12 Gauge 3 Conductor Electrical Wire 12 AWG Solid Copper Indoor W/G NMB Cable 12/3 Non-Metallic Sheathed Cable Residential Wiring for Outlets Switches Lighting**XMK**$39.63**23 rev8mo ago](https://www.amazon.com/dp/B0G2WHDC3R) [**10FT 12/3 NM-B Wire with Ground 12-3 12AWG Copper Wire 12 Gauge 3 Conductor Residential Electrical Wiring 12/3 W/G NMB Cable Solid Indoor Nonmettalic Sheathed Cable with Ground for Switch Outlet Light**XMK**$21.76**23 rev8mo ago](https://www.amazon.com/dp/B0G2W9VMJK) [**NM-B 12/3 Wire with Ground 50FT 12 Gauge 3 Conductor Electrical Wire 12/3 NM-B 12AWG Solid Copper Indoor Wiring Nonmetallic Sheathed Residential Cable for Branch Circuit Switches Outlets Lighting**XMK**$70.39**23 rev8mo ago](https://www.amazon.com/dp/B0G2WJ7KZP) [**100FT NM-B 12/3 Wire with Ground 12 Gauge 3 Conductor Wire 12-3 Copper 12 AWG Non-Metallic Sheathed 12/3 NM-B W/G Cable Stranded Indoor Residential Electrical Wiring for Branch Circuit Switches&Outlet**XMK**$129.22**23 rev8mo ago](https://www.amazon.com/dp/B0G2WGXQ6N) [**YDDECW 12/3 NM-B Wire with Ground - 50FT Non-Metallic Sheathed Cable Pure Copper 12 AWG 3 Conductor Residential Indoor Wire for Outlets Switches and Other Loads etc. (Yellow)**YDDECW**$82.83**40 rev10mo ago](https://www.amazon.com/dp/B0FRRK8TMG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**100FT NM-B 12/3 Wire with Ground 12 Gauge 3 Conductor Wire 12-3 Copper 12 AWG Non-Metallic Sheathed 12/3 NM-B W/G Cable Stranded Indoor Residential Electrical Wiring for Branch Circuit Switches&Outlet**XMK**$129.22**4.8★**▲ 222%**](https://www.amazon.com/dp/B0G2WGXQ6N) [**NM-B 12/3 Wire with Ground 25ft 12 Gauge 3 Conductor Electrical Wire 12 AWG Solid Copper Indoor W/G NMB Cable 12/3 Non-Metallic Sheathed Cable Residential Wiring for Outlets Switches Lighting**XMK**$39.63**4.8★**▲ 191%**](https://www.amazon.com/dp/B0G2WHDC3R) [**VN Infinite quality Solid Indoor Wire 12/3 W/G NMB Cable 100 FT - Residential Indoor Electrical Wire Type NM-B; Yellow SW# 63947620 (100 Ft)**VN Infinite quality**$128.59**4.6★**▲ 182%**](https://www.amazon.com/dp/B0F3LYQHHK) [**VN Infinite quality Solid Indoor Wire 12/3 W/G NMB Cable 50ft Coil - Residential Indoor Electrical Wire Type NM-B; Yellow SW# 63947622**VN Infinite quality**$66.67**4.8★**▲ 176%**](https://www.amazon.com/dp/B0D6TDZQMN) [**10FT 12/3 NM-B Wire with Ground 12-3 12AWG Copper Wire 12 Gauge 3 Conductor Residential Electrical Wiring 12/3 W/G NMB Cable Solid Indoor Nonmettalic Sheathed Cable with Ground for Switch Outlet Light**XMK**$21.76**4.8★**▲ 146%**](https://www.amazon.com/dp/B0G2W9VMJK)
**~~View all trending →~~**
## **What buyers say about 12/3 romex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**28%
*“Great value”*
**Quality-Overall**22%
*“Good quality delivered on time”*
**Advertised Vs Actual Product**21%
*“as advertised”*
**Flexibility**6%
*“It is fairly rigid and can form and lays flat which is beneficial in certain situations”*
**Ease Of Use**4%
*“Easy return”*
**Efficiency**4%
*“It works”*
**Color**2%
*“I especially like the color so it's easy to identify from all the other yellow/white cables in my wall”*
**Size-Overall**2%
*“this fits the bill”*
**Material Quality**2%
*“Love the quality of materials”*
**Mounting**1%
*“Great for my wiring project”*
### **What buyers complain about **
**Size-Overall**18%
*“Item was to short. 30 ft.”*
**Ease Of Use**12%
*“its ok a little hard to manage”*
**Value For Money**10%
*“Not worth the lower price”*
**Quality-Overall**9%
*“STRAIGHT GARBAGE”*
**Advertised Vs Actual Product**9%
*“This is a bit of listing trickery”*
**Assembly/Installation**9%
*“A pain to install”*
**Weight Heavy**5%
*“Even the 14awg is pretty bulky for what it is”*
**Certifications**3%
*“nothing about having the standard”*
**Safety Standards**3%
*“it is dangerously misleading regarding standard industry practices for marine safety”*
**Product Condition**3%
*“Buy-beware- on the used product”*
### **Top return reasons **
**Advertised Vs Actual Product**26%
**Size-Overall**20%
**Value For Money**19%
**Functionality-Overall**5%
**Color**5%
**Certifications**4%
**Quality-Overall**3%
**Flexibility**2%
**Product Condition**2%
**Compatibility-Overall**2%
## **Common questions**
- **Is 12/3 romex profitable to sell on Amazon United States?**
- The niche generates $457K/yr across 43 tracked products. 2 of 13 products launched in the last 360 days are still selling. 90-day search growth is -3.0%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the 12/3 romex niche?**
- 15 brands and 53 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in 12/3 romex?**
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Value For Money. The return rate is 2.8%.
- **When does demand for 12/3 romex peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the 12/3 romex niche?**
- Listings span $20.21–$223.01; the average listing price is $71.63 (sweet spot $15–$100). The average incumbent carries 315 reviews — the moat a new listing must climb.
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