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48

plc

Skip it

Prices mostly outside the sweet spot ($29.88–$2486.28) — this niche doesn't clear our bar today.

Market size 44Growth 22Conversion 7Competition 60Returns 89Price range 3Avg price 32Brand share 45Review moat 66Quality gap 97

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Returns

Great1.3%

return rate — above 5% kills the launch gate

Review moat

Good859.45

avg incumbent reviews — the moat a new listing must climb

Competition

Good49%

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

Brand share

Okay78%

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

Market size

Okay$233K

$233K/yr · 136K searches

Avg price

Okay$290.94

avg listing price — sweet spot $15–$100

Growth

Bad-5.6%

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

Conversion

Bad0.6%

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

Price range

Bad$29.88–$2486.28

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

According to Flapen's Amazon United States niche tracking, plc is a $233K/yr Amazon United States market (136K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 48/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

plc market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$145K–$218K
units × avg price
Conversion rate
0.6%
Avg BSR
#1,024
Page quality
0%
Prime
52%
Sponsored
59%
Out of stock
5.8%
Avg brand age
56 months
Avg seller age
186 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

25

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

49%

Top 20: 91%

Open market

18%

  • Generic42%
  • Arduino17%
  • ELEGOO10%
  • Walfront5%
  • SIEMENS5%
  • Industrial Concepts4%

Demand & seasonality

Weekly Amazon search volume, last 92 weeks — -5.6% search growth over the last 90 days.
3K2KPrime Day '25NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.2×

Top plc search terms

  • plc73K/yr
  • plc training kit37K/yr
  • plc controller21K/yr
  • click plc5K/yr
All search terms

Top plc 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%4%$9K8%$19K12%$28K16%$37K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)6 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about plc

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

What buyers love

Quality-Overall28%

“Great hardware”

Value For Money21%

“Well worth it”

Ease Of Use8%

“Its pretty easy”

Functionality-Overall7%

“The kit is a very good introduction to electronic circuitry”

Instructions/User Manual/Troubleshooting6%

“Fantastic kit, very complete, and the pdf tutorial is on point”

Advertised Vs Actual Product4%

“everything was included as advertised”

Design-Overall3%

“I felt it was really complete for any of the basic projects I wanted to do”

Compactness2%

“Nice compact little kit with a good educational array of projects, sensors and controls”

Material Quality2%

“Plenty of materials for many learning exercises”

Correct Contents2%

“It comes with a wide variety of components”

What buyers complain about

Instructions/User Manual/Troubleshooting31%

“No instructions”

Quality-Overall7%

“this product just does not make the grade”

Assembly/Installation6%

“The problem was, for me, that PDF file that comes with it, which you'd think would include more than just instructions for wiring the components to the board and the Arduino”

Connectivity-Overall6%

“you are told by an automated service that you cannot connect to the number”

Durability6%

“Broke within 3days of owning”

Compatibility-Overall4%

“doesn't work with ide”

Advertised Vs Actual Product4%

“Not what is described”

Software/Application3%

“The only issue we had was downloading the software because it needed to be loaded to the C drive on my computer because the file was too large for a regular download”

Value For Money3%

“A very expensive Arduino”

Size-Overall2%

“The supplied container is just too tight”

Top return reasons

Value For Money26%
Defective Material/Parts15%
Functionality-Overall13%
Instructions/User Manual/Troubleshooting11%
Advertised Vs Actual Product8%
Connectivity-Overall6%
Compatibility-Overall5%
Size-Overall3%
Software/Application3%
Assembly/Installation2%

Common questions

Is plc profitable to sell on Amazon United States?
The niche generates $233K/yr across 29 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.6%. Flapen's verdict: Skip it (48/100).
How competitive is the plc niche?
17 brands and 25 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in plc?
Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Quality-Overall, Assembly/Installation. The return rate is 1.3%.
When does demand for plc peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the plc niche?
Listings span $29.88–$2486.28; the average listing price is $290.94 (sweet spot $15–$100). The average incumbent carries 859 reviews — the moat a new listing must climb.