---
title: "Sc5 — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/sc5"
last_updated: "2026-08-08T16:02:51.841Z"
locale: en
meta:
description: "Niche score 44/100 · $39K/yr market · 8K searches/yr · $88.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $39K/yr market · 8K searches/yr · $88.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sc5 — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **sc5**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 10Growth 61Conversion 60Competition 0Returns 65Price range 74Avg price 79Brand share 0Review moat 69Quality gap 98
**Quality gap**
**Incredible****3.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$88.71**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$50.54–$117.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****728.5**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+38.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****5.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$39K**
$39K/yr · 8K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, sc5 is a $39K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 44/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sc5 market data**
- **Units sold / yr**
- **1K–2K**
- avg 500–750/product
- **Revenue / yr**
- **$111K–$133K**
- units × avg price
- **Conversion rate**
- **5.1%**
- **Avg BSR**
- **#10**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▲rising
**Sellers**
**33**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- First Alert96% - Kidde4%
## **Top sc5 search terms**
- **sc5**4K/yr+38.4%3.9% conv. - **fsmco600nvaccl1**2K/yr+31.6%6.8% conv. - **first alert sc5 hardwire**2K/yr+63.5%4.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/sc5/search-terms)
## **Top sc5 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%20%$8K40%$15K60%$23K80%$31K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.40**2.7★548 rev](https://www.amazon.com/dp/B0DS2VG4P1) [2**First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.51**3.4★467 rev](https://www.amazon.com/dp/B0DS2W3794) [3**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$50.54**4.5★1,569 rev](https://www.amazon.com/dp/B0CLVRSC1Q) [4**Kidde Smart Smoke and Carbon Monoxide Detector Ring App Enabled for Real-Time Notifications Hardwired Alarm AA Backup Battery**Kidde**$69.39**4.2★330 rev](https://www.amazon.com/dp/B0F7N7WGWY)
### **Newest**
by launch date
[**Kidde Smart Smoke and Carbon Monoxide Detector Ring App Enabled for Real-Time Notifications Hardwired Alarm AA Backup Battery**Kidde**$69.39**330 rev9mo ago](https://www.amazon.com/dp/B0F7N7WGWY) [**First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.40**548 rev1y ago](https://www.amazon.com/dp/B0DS2VG4P1) [**First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.51**467 rev1y ago](https://www.amazon.com/dp/B0DS2W3794) [**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$50.54**1,569 rev2y ago](https://www.amazon.com/dp/B0CLVRSC1Q)
### **Trending**
90-day click momentum
[**Kidde Smart Smoke and Carbon Monoxide Detector Ring App Enabled for Real-Time Notifications Hardwired Alarm AA Backup Battery**Kidde**$69.39**4.2★**▲ 163%**](https://www.amazon.com/dp/B0F7N7WGWY) [**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$50.54**4.5★**▲ 130%**](https://www.amazon.com/dp/B0CLVRSC1Q) [**First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.40**2.7★**— 1%**](https://www.amazon.com/dp/B0DS2VG4P1) [**First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm**First Alert**$117.51**3.4★**▼ 27%**](https://www.amazon.com/dp/B0DS2W3794)
## **What buyers say about sc5**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**22%
*“The installation was quick”*
**Connectivity-Overall**8%
*“They hooked up fast with our Wi-Fi”*
**Value For Money**7%
*“Great value”*
**Quality-Overall**6%
*“great quality”*
**Compatibility-Overall**6%
*“so it integrates with all the existing devices”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Alarm/Timer Accuracy**4%
*“Notifications are accurate and timely”*
**Ease Of Use**4%
*“Great replacement and very easy to use”*
**Sensor**3%
*“The detector itself looks clean”*
**Battery Life**3%
*“Love the 10 year battery life”*
### **What buyers complain about **
**Quality-Overall**21%
*“not only do these feel like they are a lower quality”*
**Alarm/Timer Accuracy**13%
*“False alarm after false alarm”*
**Value For Money**10%
*“For what these cost I'm not very happy”*
**Noise Level**7%
*“Also, the alarm is extremely loud”*
**Connectivity-Overall**7%
*“One would not connect to the app”*
**Durability**5%
*“Went off again later in the day”*
**Functionality-Overall**5%
*“It didnt work”*
**Compatibility-Overall**4%
*“Isnt compatible”*
**Assembly/Installation**3%
*“Installation not the easiest”*
**Battery Life**3%
*“The batteries look expensive”*
### **Top return reasons **
**Alarm/Timer Accuracy**33%
**Connectivity-Overall**16%
**Compatibility-Overall**16%
**Value For Money**8%
**Functionality-Overall**7%
**Advertised Vs Actual Product**5%
**Product Condition**3%
**Defective Material/Parts**3%
**Assembly/Installation**2%
**Size-Overall**1%
## **Common questions**
- **Is sc5 profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +38.4%. Flapen's verdict: Skip it (44/100).
- **How competitive is the sc5 niche?**
- 2 brands and 33 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in sc5?**
- Top complaints mined from reviews: Quality-Overall, Alarm/Timer Accuracy, Value For Money. The return rate is 2.4%.
- **What does it cost to enter the sc5 niche?**
- Listings span $50.54–$117.51; the average listing price is $88.71 (sweet spot $15–$100). The average incumbent carries 729 reviews — the moat a new listing must climb.
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