Skip to content
34

filament runout sensor

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 15Growth 15Conversion 18Competition 21Returns 23Price range 92Avg price 94Brand share 0Review moat 89Quality gap 87

Avg price

Great$47.81

avg listing price — sweet spot $15–$100

Price range

Great$12.65–$82.18

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

Review moat

Great220.15

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Returns

Bad5.7%

return rate — above 5% kills the launch gate

Competition

Bad75%

top-5 click share — a locked-up shelf

Conversion

Bad1.4%

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

Market size

Bad$59K

$59K/yr · 88K searches

Growth

Bad-20.6%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, filament runout sensor is a $59K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 34/100.

Data updated Aug 6, 2026 · scored weekly · How we score niches

filament runout sensor market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$72K–$96K
units × avg price
Conversion rate
1.4%
Avg BSR
#1,272
Page quality
0%
Prime
100%
Sponsored
92%
Out of stock
6.3%
Avg brand age
33 months
Avg seller age
197 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 flat

Sellers

7

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

0%

  • BIGTREETECH93%
  • BIQU7%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.6% search growth over the last 90 days.
4K3KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 1.6×

Top filament runout sensor search terms

  • bigtreetech33K/yr
  • big tree tech15K/yr
  • btt12K/yr
  • skr mini e3 v37K/yr
  • bigtreetech skr mini e3 v3.04K/yr
  • 3d printer control board5K/yr
  • 3d printer board4K/yr
  • btt skr mini e3 v34K/yr
  • 3d printer motherboard4K/yr
All search terms

Top filament runout sensor 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%15%$9K30%$18K45%$27K60%$36K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about filament runout sensor

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

What buyers love

Brightness/Shine/Glow22%

“Light is good”

Quality-Overall10%

“Very well made and functioning flawlessly”

Value For Money9%

“priced just about right”

Ease Of Use8%

“very useful”

Compatibility-Overall8%

“Works good, in my P1S”

Adhesion/Stickiness7%

“Superior adhesion, clean finishes on first layer”

Grip5%

“The best grip plate- excellent”

Advertised Vs Actual Product4%

“Exactly the plate that is advertised”

Efficiency3%

“Works perfectly”

Display-Overall3%

“while I like it much better than the stock display”

What buyers complain about

Connectivity-Overall12%

“Dry hard to connect”

Assembly/Installation8%

“Install installation is complicated”

Adhesion/Stickiness7%

“Poor adhesion”

Instructions/User Manual/Troubleshooting7%

“NO Instructions included”

Brightness/Shine/Glow7%

“Wish it was brighter”

Value For Money6%

“The value for the money of this thing is horrible”

Functionality-Overall5%

“Does not work”

Heating5%

“When I start heating the hot end it does not heat the hot end”

Compatibility-Overall4%

“I could not get my bltouch to work with this board no matter what I tried”

Quality-Overall4%

“It may be cheap”

Top return reasons

Functionality-Overall19%
Compatibility-Overall17%
Defective Material/Parts11%
Connectivity-Overall9%
Socket/Port/Plug6%
Product Condition5%
Advertised Vs Actual Product4%
Heating4%
Adhesion/Stickiness4%
Value For Money3%

Common questions

Is filament runout sensor profitable to sell on Amazon United States?
The niche generates $59K/yr across 13 tracked products. 90-day search growth is -20.6%. Flapen's verdict: Skip it (34/100).
How competitive is the filament runout sensor niche?
2 brands and 7 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in filament runout sensor?
Top complaints mined from reviews: Connectivity-Overall, Assembly/Installation, Adhesion/Stickiness. The return rate is 5.7% — above our launch gate.
When does demand for filament runout sensor peak?
Demand peaks in Nov–Dec; the busiest month runs 1.6× the quietest.
What does it cost to enter the filament runout sensor niche?
Listings span $12.65–$82.18; the average listing price is $47.81 (sweet spot $15–$100). The average incumbent carries 220 reviews — the moat a new listing must climb.