Is propane gas line profitable to sell on Amazon United States?

The niche generates $46K/yr across 42 tracked products. 4 of 9 products launched in the last 360 days are still selling. 90-day search growth is -23.8%. Flapen's verdict: Skip it (49/100).

How competitive is the propane gas line niche?

22 brands and 54 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 59% of demand.

What do buyers complain about in propane gas line?

Top complaints mined from reviews: Leak-Proof, Grilling, Quality-Overall. The return rate is 1.7%.

When does demand for propane gas line peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 1.9× the quietest.

What does it cost to enter the propane gas line niche?

Listings span $10.37–$59.23; the average listing price is $26.27 (sweet spot $15–$100). The average incumbent carries 1,763 reviews — the moat a new listing must climb.

propane gas line

Skip it

A small market ($46K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$26.27

avg listing price — sweet spot $15–$100

Price range

Great$10.37–$59.23

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

Returns

Great1.7%

return rate — above 5% kills the launch gate

Brand share

Great59%

top-5 brand share — no brand owns this niche

Competition

Good43%

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

Review moat

Okay1,762.76

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.7%

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

Growth

Bad-23.8%

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

Market size

Bad$46K

$46K/yr · 65K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, propane gas line is a $46K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 49/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

propane gas line market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $39K–$53K; units × avg price
Conversion rate: 2.7%
Avg BSR: #164
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 2.8%
Avg brand age: 41 months
Avg seller age: 141 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

Top-5 brand share

59%

Top 20: 99%

Top-5 click share

43%

Top 20: 83%

Open market

35%

Gas One19%
NQN12%
SHINESTAR11%
Alloxity9%
NORSGATEN8%
Vruelia6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.8% search growth over the last 90 days.

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

Open Trend

Top propane gas line search terms

propane line27K/yr -23.1%2.6% conv.
propane gas line24K/yr -27.6%2.7% conv.
propane gas line hose9K/yr -11.7%3.4% conv.
lp gas line5K/yr -28.7%0.7% conv.

All search terms

Top propane gas line 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.

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

GasOne Propane Regulator 3 Feet Universal QCC1 Grill Replacement with 36 inches hose for Most LP Gas Grill Heater and Fire Pit Table 3/8 Female Flare Nut

Gas One$10.374.5★13,784 rev

1/2 CSST Gas Line for Natural Gas & Propane | Flexible Corrugated Stainless Steel Gas Tubing with PVC Cover Brass Fittings Included | Gas Pipe for Grills Heaters Stoves Generators (33ft)

NORSGATEN$40.274.1★39 rev

4ft Propane Hose Adapter 1lb to 20lbPropane Adapter 20lb to 1lb Converter Propane Tank Adapter Hose 20 lb to 1 lb for Weber Q Grill/Coleman Stove/Blackstone Griddle/Buddy Heater/Weber Traveler

Alloxity$10.894.6★3,984 rev

Upgraded 12Feet High Pressure Braided Propane Hose Extension with Conversion Coupling 3/8 Flare to 1/2 Female NPT 1/4 Male NPT 3/8 Male Flare for BBQ Grill Fire Pit Heater

NQN$28.104.7★1,207 rev

GASONE Propane Regulator - Brass Orifice 4 ft High Pressure 0-20 PSI Adjustable With Hose QCC-1 Type - Works With Any U.S. Tanks Red

Gas One$15.344.6★743 rev

Newest

by launch date

PLUMBINGMASTER 12FT Propane Gas Line 3/8 Gas Hose High Pressure Braided Propane Hose with Conversion Coupling 3/8 Flare to 1/2 Female NPT 1/4 Male NPT for BBQ Grill

PLUMBINGMASTER$34.2616 rev

5mo ago

2Pack 15 RV Propane Hose with 1/4 Inverted Male Flare & Qcc1/Typel Propane Hose-RV Propane Tank Hose Camper Propane Hose for Dual Tank RV Regulators for BBQ/RV/Camping/Outdoor Cooking etc.

BBQHKCX$19.0691 rev

6mo ago

Upgraded 18 Feet High Pressure Propane Hose Extension Braided Gas Line with Conversion Coupling 3/8 Flare to 1/2 Female NPT 1/4 Male NPT 3/8 Male Flare for Heater Dryer Fire Pit Grill

REDPANT$29.6676 rev

11mo ago

CSST Gas Line 37Ft 1/2 Flexible Stainless Steel Propane Hose

Vruelia$39.26120 rev

12mo ago

CSST Gas Line 70Ft 1/2 Professional Underground Flexible

Vruelia$59.23120 rev

12mo ago

What buyers say about propane gas line

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

What buyers love

Quality-Overall22%

“was well made”

Advertised Vs Actual Product15%

“As advertised”

Value For Money12%

“Great value”

Size-Overall11%

“Excellent fit”

Grilling5%

“Worked great on my grill”

Leak-Proof4%

“No Leaks”

Ease Of Use4%

“Easy to read”

Assembly/Installation3%

“Easy install”

Durability2%

“The initial impression I got from this hose was a durable”

Connectivity-Overall2%

“Connects good”

What buyers complain about

Leak-Proof27%

“Started leaking”

Grilling10%

“Not recommended for grill”

Quality-Overall9%

“Cheap junk”

Durability9%

“Broke after five months”

Functionality-Overall9%

“Did not work”

Size-Overall7%

“Did not fit”

Advertised Vs Actual Product2%

“Wrong Description”

Connectivity-Overall2%

“Leaking connections”

Spray/Flow2%

“did not have enough flow to be useful”

Measurement/Reading Accuracy1%

“The gauge will not work straight out of the box”

Top return reasons

Size-Overall54%

Grilling10%

Connectivity-Overall6%

Compatibility-Overall5%

Leak-Proof5%

Advertised Vs Actual Product4%

Functionality-Overall4%

Defective Material/Parts3%

Value For Money2%

Add-Ons/Attachments1%

Common questions

Is propane gas line profitable to sell on Amazon United States?: The niche generates $46K/yr across 42 tracked products. 4 of 9 products launched in the last 360 days are still selling. 90-day search growth is -23.8%. Flapen's verdict: Skip it (49/100).
How competitive is the propane gas line niche?: 22 brands and 54 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in propane gas line?: Top complaints mined from reviews: Leak-Proof, Grilling, Quality-Overall. The return rate is 1.7%.
When does demand for propane gas line peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the propane gas line niche?: Listings span $10.37–$59.23; the average listing price is $26.27 (sweet spot $15–$100). The average incumbent carries 1,763 reviews — the moat a new listing must climb.