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propane refill elbow adapter with tank gauge

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Soft demand (-71.8% this quarter) — this niche doesn't clear our bar today.

Market size 3Growth 0Conversion 51Competition 26Returns 99Price range 92Avg price 82Brand share 47Review moat 52Quality gap 68

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Price range

Great$14.74–$22.97

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

Avg price

Great$17.96

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,429.89

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.2%

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

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Competition

Okay69%

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

Market size

Bad$14K

$14K/yr · 19K searches

Growth

Bad-71.8%

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

Competition

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

11

Top-5 brand share

77%

Open market

15%

  • CALPOSE27%
  • optheey21%
  • Getoolet11%
  • liucocotos10%
  • GASPRO9%
  • konros8%
  • Open — no brand owns it (2 brands, 15%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$1K20%$3K30%$4K40%$6K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 92 weeks — -71.8% search growth over the last 90 days.
2K2KSpike '24Spike '25Prime Day '25Holiday '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Jul, Aug, Sep, Nov, Dec · busiest ÷ quietest = 9.4×

Reviews

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

What buyers love

Quality-Overall26%

“The overall build quality is reasonable”

Ease Of Use21%

“Easy to operate”

Advertised Vs Actual Product16%

“Works as advertised”

Value For Money13%

“Good price”

Design-Overall4%

“Perfect Design”

Leak-Proof4%

“Doesnt leak”

Assembly/Installation2%

“Hooking it up was easy”

Size-Overall2%

“Perfect Fit”

Pressure2%

“The pressure gauge is easy to read”

Functionality-Overall1%

“This adapter works perfectly”

What buyers complain about

Functionality-Overall26%

“Does not seem to work very well”

Leak-Proof26%

“It leaks”

Quality-Overall10%

“Complete garbage”

Measurement/Reading Accuracy5%

“Gauge doesnt work”

Advertised Vs Actual Product4%

“Item not as described”

Instructions/User Manual/Troubleshooting4%

“Didn't come with instructions”

Pressure3%

“Gas pressure, fill level, gage doesnt work and there is no method to communicate this problem to seller”

Natural Resource Wastage2%

“Total waste of money”

Value For Money2%

“cost a lot”

Durability2%

“Failed in less than 6 months”

Top return reasons

Leak-Proof38%
Size-Overall13%
Defective Material/Parts10%
Functionality-Overall10%
Connectivity-Overall5%
Advertised Vs Actual Product5%
Measurement/Reading Accuracy4%
Add-Ons/Attachments3%
Quality-Overall2%
Smell2%