6/3 romex 75 ft
Skip itPrices mostly outside the sweet spot ($91.90–$390.46) — this niche doesn't clear our bar today.
Review moat
Great187.67avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.1%return rate — above 5% kills the launch gate
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Avg price
Okay$259.18avg listing price — sweet spot $15–$100
Market size
Okay$116K$116K/yr · 15K searches
Growth
Bad-4.9%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad75%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Price range
Bad$91.90–$390.46cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 6/3 romex 75 ft is a $116K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Oct. Verdict: Skip it — 29/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
6/3 romex 75 ft market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $130K–$194K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #1,113
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 87%
- Out of stock
- 2.1%
- Avg brand age
- 53 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
33
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
3%
- Southwire37%
- XMK25%
- energeaster15%
- wirenco10%
- ARIZONA ELECTRICAL SOLUTIONS7%
- MOOKEERF2%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 56 weeks — -4.9% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.6×
Top 6/3 romex 75 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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NM-B 6/3 Wire with Ground 75ft 6/3 6 Gauge NM-B Wire Copper 6 AWG 3 Conductor with Ground Nonmetallic Sheathed NMB Cable 6-3 Residential Indoor Wiring for Branch Circuit Switches Outlets Other Loads
XMK$297.034.8★257 rev
Southwire 63950002 125ft. 6 Gauge 3 Conductor Nonmetallic Sheathed Type NM-B Cable Black
Southwire$386.414.7★834 rev
Southwire 63950007 75 ft. 6/3 NM-B Stranded Indoor Residential Electrical Wire - Black
Southwire$320.254.7★834 rev
Solid Indoor 6/3 Type NM-B Pure Copper Cable 125FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$390.464.5★16 rev
Solid Indoor 6/3 Type NM-B Pure Copper Cable 75FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$295.334.5★16 rev
Newest
by launch dateSolid Indoor 6/3 Type NM-B Pure Copper Cable 125FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$390.4616 rev
Solid Indoor 6/3 Type NM-B Pure Copper Cable 75FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$295.3316 rev
6/3 Wire with Ground - 75FT NM-B 6 Gauge Non-Metallic Sheathed Cable 100% Pure Copper 6 AWG 3 Conductor Residential Indoor Wire for Outlets Switches Other Loads and Lighting Wiring Projects etc.
MOOKEERF$310.4824 rev
NM-B 6/3 Wire with Ground 75ft 6/3 6 Gauge NM-B Wire Copper 6 AWG 3 Conductor with Ground Nonmetallic Sheathed NMB Cable 6-3 Residential Indoor Wiring for Branch Circuit Switches Outlets Other Loads
XMK$297.03257 rev
VN Infinite quality 6/3 NM-B Residential Indoor Wire - Non-Metallic - Sheathed Cable Black (75 Ft)
VN Infinite quality$307.757 rev
Trending
90-day click momentumSolid Indoor 6/3 Type NM-B Pure Copper Cable 125FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$390.464.5★
Solid Indoor 6/3 Type NM-B Pure Copper Cable 75FT Black 6 AWG 3 Conductors with Ground Wire
energeaster$295.334.5★
6/3 Wire with Ground - 75FT NM-B 6 Gauge Non-Metallic Sheathed Cable 100% Pure Copper 6 AWG 3 Conductor Residential Indoor Wire for Outlets Switches Other Loads and Lighting Wiring Projects etc.
MOOKEERF$310.484.6★
NM-B 6/3 Wire with Ground 75ft 6/3 6 Gauge NM-B Wire Copper 6 AWG 3 Conductor with Ground Nonmetallic Sheathed NMB Cable 6-3 Residential Indoor Wiring for Branch Circuit Switches Outlets Other Loads
XMK$297.034.8★
Wirenco 6/3 NM-B Non-Metallic Sheathed Cable Residential Indoor Wire Used for Wiring Swiches Outlets and Other Loads with Dry Applications (30Ft Cut)
wirenco$133.684.6★
What buyers say about 6/3 romex 75 ft
What buyers praise and complain about, mined from review topics.What buyers love
“it was well worth it”
“I was impressed with the quality of the wire”
“Exactly as expected”
“product made in America”
“Its flexible enough”
“Works well for me”
“Good solid cable”
“As described and Pictured other than Ground Wire plenty of Power to Carry the Load as Needed”
“easy to hook up to everything”
What buyers complain about
“All pictures show solid wire / I received stranded wire”
“A very expensive item should be delivered properly near the door not close to the sidewalk”
“Cable is very stiff as you would expect”
“It not solid”
“It's very heavy though”
Top return reasons
Common questions
- Is 6/3 romex 75 ft profitable to sell on Amazon United States?
- The niche generates $116K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -4.9%. Flapen's verdict: Skip it (29/100).
- How competitive is the 6/3 romex 75 ft niche?
- 8 brands and 33 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in 6/3 romex 75 ft?
- Top complaints mined from reviews: Advertised Vs Actual Product, Value For Money, Stiffness. The return rate is 3.1%.
- When does demand for 6/3 romex 75 ft peak?
- Demand peaks in Oct; the busiest month runs 1.6× the quietest.
- What does it cost to enter the 6/3 romex 75 ft niche?
- Listings span $91.90–$390.46; the average listing price is $259.18 (sweet spot $15–$100). The average incumbent carries 188 reviews — the moat a new listing must climb.