---
title: "Demco Ez Latch Coupler Lock — $94K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/demco-ez-latch-coupler-lock"
last_updated: "2026-08-10T17:31:09.844Z"
locale: en
meta:
description: "Niche score 45/100 · $94K/yr market · 18K searches/yr · $116.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $94K/yr market · 18K searches/yr · $116.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Demco Ez Latch Coupler Lock — $94K/yr Amazon US Niche (2026) - Flapen"
---
# **demco ez latch coupler lock**
**Skip it**
A small market ($94K/yr) — this niche doesn't clear our bar today.
Market size 23Growth 53Conversion 54Competition 45Returns 46Price range 30Avg price 69Brand share 46Review moat 70Quality gap 38
**Review moat**
**Good****690.86**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$116.97**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+25.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$18.13–$291.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$94K**
$94K/yr · 18K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, demco ez latch coupler lock is a $94K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Skip it — 45/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **demco ez latch coupler lock market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$58K–$88K**
- units × avg price
- **Conversion rate**
- **4.4%**
- **Avg BSR**
- **#113**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **76%**
- **Out of stock**
- **3.7%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**74**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 99%
**Open market**
**19%**
- InfiniteRule Security23% - Demco22% - Proven Industries16% - VEVOR10% - S5 Coupler Locks7% - METOWARE4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +25.4% search growth over the last 90 days.
900700Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/automotive/demco-ez-latch-coupler-lock/trend)
## **Top demco ez latch coupler lock 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%5%$5K10%$9K15%$14K20%$19K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Demco EZ Latch Trailer Coupler | 2-5/16 Ball | 21 000 lbs | Channel Mount | Heavy-Duty Steel | Zinc Coated | Model 14040-81**Demco**$74.29**4.7★183 rev](https://www.amazon.com/dp/B01N57BQTA) [2**InfiniteRule Security 61130 | Trailer Latch Lock for DEMCO EZ Latch 2-5/16 Ball & Gooseneck Couplers - Fits Cast Model Only - Does NOT FIT Stamped Model American Made in USA**InfiniteRule Security**$59.04**4.6★86 rev](https://www.amazon.com/dp/B0CFG7NNTG) [3**VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock with 3 Keys Secures Security Chains Rust-Resistant Anti-Theft RV Trailer Locks for RV Trailer Boat**VEVOR**$60.51**4.4★17 rev](https://www.amazon.com/dp/B0FHWJQPM6) [4**InfiniteRule Security 61121 | Trailer Latch Lock for DEMCO EZ Latch - 2.0 Ball**InfiniteRule Security**$58.51**4.6★33 rev](https://www.amazon.com/dp/B0BRY14B4N) [5**Proven Industries Trailer Lock Model 2517-D1 Fits 2 5/16 in Demco Cast Trailer Couplers 2 Keys Included Heavy-Duty Security Hardened Steel Unique Key Design Made in USA Blue**Proven Industries**$290.70**4.8★39 rev](https://www.amazon.com/dp/B0F4T87582)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**61130 Gooseneck Trailer Coupler Lock Fits 2-5/16 Ball Couplers Compatible with EZ Latch Style Couplers Used by Major Trailer Brands (Cast Only) Heavy Duty Anti-Theft Lock Not for Stamped Models**Eachave**$58.79**9 rev3mo ago](https://www.amazon.com/dp/B0GWLLZTRJ) [**InfiniteRule Security 61180 | Trailer Latch Lock for DEMCO EZ Latch 2-5/16 Ball Stamped Coupler - Does NOT FIT Cast Model**InfiniteRule Security**$61.93**6 rev11mo ago](https://www.amazon.com/dp/B0FL8ZF6TS) [**VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock with 3 Keys Secures Security Chains Rust-Resistant Anti-Theft RV Trailer Locks for RV Trailer Boat**VEVOR**$60.51**17 rev11mo ago](https://www.amazon.com/dp/B0FHWJQPM6) [**BVLLVT Heavy Duty Trailer Hitch Lock for 2 5/16 Ball Coupler - Adjustable Locking Mechanism Design - Anti-Theft Solid Steel Coupler Lock for RV Boat Camper Trailer**BVLLVT**$80.49**104 rev1y ago](https://www.amazon.com/dp/B0F5HTHQFH) [**NUOVEPE Trailer Lock Fits 2 5/16 Inch Couplers Secures Safety Chains Anti-Theft Ball Hitch Lock Pry-Resistant & Heavy-Duty Trailer Hitch Locks for RV | Cargo | Camper | Dump Trailer (Blue)**NUOVEPE**$110.17**171 rev1y ago](https://www.amazon.com/dp/B0DFH5NMCT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**61130 Gooseneck Trailer Coupler Lock Fits 2-5/16 Ball Couplers Compatible with EZ Latch Style Couplers Used by Major Trailer Brands (Cast Only) Heavy Duty Anti-Theft Lock Not for Stamped Models**Eachave**$58.79**4.6★**▲ 175%**](https://www.amazon.com/dp/B0GWLLZTRJ) [**Proven Industries Model 2178 Trailer Lock Fits 2-Inch Trailer Couplers Made in the USA (Blue-Square)**Proven Industries**$270.00**4.7★**▲ 164%**](https://www.amazon.com/dp/B0G8RWYHDK) [**PACLOCKs 79-Series Universal Trailer Lock UCS DEM328 Pin for Demco High Performance 6-Pin Cylinder One Lock Keyed to a Number U-Pick! w/ 2 Keys Blue**PACLOCK**$72.98**4.6★**▲ 126%**](https://www.amazon.com/dp/B0DYLHTQM8) [**Rhino USA Trailer Hitch Lock Kit (for 2 Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV Camper Trailer Boat Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue**Rhino USA**$53.21**4.4★**▲ 80%**](https://www.amazon.com/dp/B098W45GM2) [**Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA**Proven Industries**$270.72**4.7★**▲ 65%**](https://www.amazon.com/dp/B0G31418YZ)
**~~View all trending →~~**
## **What buyers say about demco ez latch coupler lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Excellent product”*
**Size-Overall**16%
*“Fits like a GLOVE”*
**Advertised Vs Actual Product**8%
*“as advertised”*
**Ease Of Use**8%
*“Ease of use”*
**Value For Money**7%
*“Worth the money”*
**Assembly/Installation**6%
*“Easy install”*
**Design-Overall**5%
*“Perfect design”*
**Strength**5%
*“Its built heavy duty”*
**Efficiency**5%
*“Works well”*
**Weight Heavy**3%
*“Heavy duty”*
### **What buyers complain about **
**Size-Overall**18%
*“it was too short”*
**Durability**10%
*“the ball broke off”*
**Ease Of Use**7%
*“Such a pain”*
**Value For Money**6%
*“Its not cheap”*
**Quality-Overall**6%
*“Low quality”*
**Compatibility-Overall**5%
*“Does not fit BTex Trailer”*
**Hard Feel**4%
*“it is tough”*
**Weight Heavy**3%
*“its heavy and would be difficult to impossible to get off without the key”*
**Mechanism Issues**3%
*“faulty mechanism”*
**Design-Overall**3%
*“Built like a tank”*
### **Top return reasons **
**Size-Overall**62%
**Compatibility-Overall**20%
**Mechanism Issues**3%
**Advertised Vs Actual Product**3%
**Functionality-Overall**3%
**Width**1%
**Value For Money**1%
**Defective Material/Parts**1%
**Assembly/Installation**1%
**Quality-Overall**0%
## **Common questions**
- **Is demco ez latch coupler lock profitable to sell on Amazon United States?**
- The niche generates $94K/yr across 21 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +25.4%. Flapen's verdict: Skip it (45/100).
- **How competitive is the demco ez latch coupler lock niche?**
- 14 brands and 74 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in demco ez latch coupler lock?**
- Top complaints mined from reviews: Size-Overall, Durability, Ease Of Use. The return rate is 3.3%.
- **When does demand for demco ez latch coupler lock peak?**
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the demco ez latch coupler lock niche?**
- Listings span $18.13–$291.18; the average listing price is $116.97 (sweet spot $15–$100). The average incumbent carries 691 reviews — the moat a new listing must climb.
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