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54

rocky harbor trex plugs

Worth a look

Shows a thin review moat (32 avg reviews), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 10Growth 96Conversion 97Competition 17Returns 83Price range 95Avg price 93Brand share 5Review moat 98Quality gap 32

Review moat

Incredible31.7

avg incumbent reviews — the moat a new listing must climb

Conversion

Incredible14.4%

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

Growth

Incredible+154.8%

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

Price range

Incredible$24.60–$81.10

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

Avg price

Great$51.34

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad80%

top-5 click share — a locked-up shelf

Market size

Bad$39K

$39K/yr · 5K searches

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, rocky harbor trex plugs is a $39K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in May–Jun–Jul–Aug–Sep. Verdict: Worth a look — 54/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

rocky harbor trex plugs market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$26K–$39K
units × avg price
Conversion rate
14.4%
Avg BSR
#438
Page quality
0%
Prime
20%
Sponsored
90%
Out of stock
0.0%
Avg brand age
43 months
Avg seller age
142 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

25

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

0%

  • Generic48%
  • Trex Company, Inc.20%
  • Starborn Industries18%
  • Trex9%
  • FASTENMASTER2%
  • SuperStructuring2%

Demand & seasonality

Weekly Amazon search volume, last 94 weeks — +154.8% search growth over the last 90 days.
175125Spike '24Spike '25Spike '26DecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 4.9×

Top rocky harbor trex plugs 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%10%$4K20%$8K30%$12K40%$16K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about rocky harbor trex plugs

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

What buyers love

Advertised Vs Actual Product33%

“Worked as expected”

Size-Overall33%

“Perfect match”

Functionality-Overall33%

“They actually matched better than the brand I was using”

What buyers complain about

Design-Overall100%

“will not help the looks of your project”

Top return reasons

Color39%
Size-Overall39%
Defective Material/Parts8%
Advertised Vs Actual Product7%
Socket/Port/Plug2%
Compatibility-Overall2%
Thin2%
Value For Money2%
Product Condition1%

Common questions

Is rocky harbor trex plugs profitable to sell on Amazon United States?
The niche generates $39K/yr across 10 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +154.8%. Flapen's verdict: Worth a look (54/100).
How competitive is the rocky harbor trex plugs niche?
6 brands and 25 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in rocky harbor trex plugs?
Top complaints mined from reviews: Design-Overall. The return rate is 1.6%.
When does demand for rocky harbor trex plugs peak?
Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 4.9× the quietest.
What does it cost to enter the rocky harbor trex plugs niche?
Listings span $24.60–$81.10; the average listing price is $51.34 (sweet spot $15–$100). The average incumbent carries 32 reviews — the moat a new listing must climb.