---
title: "Relay Buddy — $92K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/relay-buddy"
last_updated: "2026-08-06T19:38:40.385Z"
locale: en
meta:
description: "Niche score 37/100 · $92K/yr market · 23K searches/yr · $105.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $92K/yr market · 23K searches/yr · $105.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Relay Buddy — $92K/yr Amazon US Niche (2026) - Flapen"
---
# **relay buddy**
**Skip it**
Soft demand (-16.7% this quarter) — this niche doesn't clear our bar today.
Market size 23Growth 17Conversion 47Competition 40Returns 55Price range 56Avg price 73Brand share 18Review moat 81Quality gap 23
**Review moat**
**Great****385.8**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$105.80**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$15.66–$166.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****$92K**
$92K/yr · 23K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-16.7%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, relay buddy is a $92K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 37/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **relay buddy market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$53K–$79K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#289**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **27%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **—flat
**Sellers**
**49**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**4%**
- Relay Buddy49% - ES23% - Sound Troubleshooting10% - Performance Tool6% - Lisle6% - Electronic Specialties3% - Open — no brand owns it (2 brands, 4%)
## **Demand**
Weekly Amazon search volume, last 31 weeks — -16.7% search growth over the last 90 days.
500300Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/automotive/relay-buddy/trend)
## **Top relay buddy search terms**
- **relay buddy**14K/yr-14.7%2.6% conv. - **relay buddy tester**6K/yr-21.5%2.3% conv. - **super relay buddy**3K/yr-16.2%5.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/relay-buddy/search-terms)
## **Top relay buddy 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%$18K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Relay Buddy Super Pro Kit Chrome Green/Red/Yellow**ES**$163.25**4.6★171 rev](https://www.amazon.com/dp/B0BFBTW5B8) [2**Super Relay Buddy**Relay Buddy**$104.79**4.6★557 rev](https://www.amazon.com/dp/B0BFCJJNB1) [3**Electronic Specialties 190 Relay Buddy Automotive Relay Tester**Relay Buddy**$69.31**4.6★628 rev](https://www.amazon.com/dp/B0054WGSD2) [4**ESI 193 Black 2.5 x 5 12/24V Diagnostic Relay Buddy Pro Test Kit**Relay Buddy**$156.42**4.6★398 rev](https://www.amazon.com/dp/B00NI10152) [5**Relay Buddy 12/24 Volt**Relay Buddy**$71.98**4.5★482 rev](https://www.amazon.com/dp/B0014DDKC2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Super Relay Buddy**Relay Buddy**$166.44**0 rev8mo ago](https://www.amazon.com/dp/B0G236QXRR) [**Sound Troubleshooting Automotive Relay Tester - 4 & 5 Pin 12V Auto Diagnostic Tool Small Handheld DIY Car Tester with Battery Clips Relay Testing Kit Electrical Systems Tool | Patented**Sound Troubleshooting**$45.04**325 rev1y ago](https://www.amazon.com/dp/B0DYPJQ2YX) [**Sound Troubleshooting Automotive Relay Tester with Relay Puller - 12V Auto Relay Diagnostic Tool Car Relay Tester with Battery Clips Relay Testing Kit Electrical Systems Tool | Patented**Sound Troubleshooting**$47.83**368 rev2y ago](https://www.amazon.com/dp/B0DSM43JZV) [**9038A Relay Bypass Switch Relay Tester Bypass Switch Kit with Amp Loop 6-Pack Black**Prismora**$15.66**543 rev2y ago](https://www.amazon.com/dp/B0CTTMV6HR) [**Performance Tool 3009 Compact Cordless Automotive Relay Tester for 12 Volt 4 and 5 pin relays and More**Performance Tool**$46.57**1,164 rev2y ago](https://www.amazon.com/dp/B0CB711FNB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ESI 193 Black 2.5 x 5 12/24V Diagnostic Relay Buddy Pro Test Kit**Relay Buddy**$156.42**4.6★**▲ 153%**](https://www.amazon.com/dp/B00NI10152) [**Electronic Specialties ESI-194 Super Relay Buddy Relay Tester**Electronic Specialties**$138.93**5.0★**▲ 134%**](https://www.amazon.com/dp/B0GLHPSCR7) [**Sound Troubleshooting Automotive Relay Tester with Relay Puller - 12V Auto Relay Diagnostic Tool Car Relay Tester with Battery Clips Relay Testing Kit Electrical Systems Tool | Patented**Sound Troubleshooting**$47.83**4.5★**▲ 51%**](https://www.amazon.com/dp/B0DSM43JZV) [**Electronic Specialties 190 Relay Buddy Automotive Relay Tester**Relay Buddy**$69.31**4.6★**▲ 22%**](https://www.amazon.com/dp/B0054WGSD2) [**Super Relay Buddy**Relay Buddy**$166.44**0.0★**▲ 14%**](https://www.amazon.com/dp/B0G236QXRR)
**~~View all trending →~~**
## **What buyers say about relay buddy**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**26%
*“it works amazing”*
**Quality-Overall**18%
*“excellent product”*
**Advertised Vs Actual Product**16%
*“Works like should”*
**Value For Money**14%
*“Money well spent”*
**Ease Of Use**13%
*“Easy to use”*
**Strength**2%
*“Also very effective”*
**Functionality-Overall**2%
*“Works well,”*
**Portability**2%
*“practical for carrying in the car”*
**Instructions/User Manual/Troubleshooting**2%
*“This tester is simple to use unbox it follow directions”*
**Compatibility-Overall**1%
*“This should work great with my DC miliamp ckamp meter for diagnostic testing”*
### **What buyers complain about **
**Compatibility-Overall**31%
*“Not compatible with Ford”*
**Functionality-Overall**15%
*“Did not work”*
**Size-Overall**10%
*“Doesnt fit em all”*
**Battery Life**8%
*“went to use it again a few months latter put batterys back in it wont work put new batterys in it still does not work”*
**Durability**6%
*“Dies quickly and only works for a couple jumps”*
**Product Condition**6%
*“This item probably will be returned”*
**Natural Resource Wastage**4%
*“Waste of $”*
**Quality-Overall**2%
*“Bad tester”*
**Strength**2%
*“Not strong enough to jump all types of cars”*
**Value For Money**2%
*“Very good item even though a little pricey”*
### **Top return reasons **
**Compatibility-Overall**30%
**Functionality-Overall**25%
**Size-Overall**16%
**Defective Material/Parts**8%
**Advertised Vs Actual Product**6%
**Value For Money**4%
**Quality-Overall**2%
**Product Condition**2%
**Connectivity-Overall**1%
**Measurement/Reading Accuracy**1%
## **Common questions**
- **Is relay buddy profitable to sell on Amazon United States?**
- The niche generates $92K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.7%. Flapen's verdict: Skip it (37/100).
- **How competitive is the relay buddy niche?**
- 8 brands and 49 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in relay buddy?**
- Top complaints mined from reviews: Compatibility-Overall, Functionality-Overall, Size-Overall. The return rate is 2.8%.
- **What does it cost to enter the relay buddy niche?**
- Listings span $15.66–$166.44; the average listing price is $105.80 (sweet spot $15–$100). The average incumbent carries 386 reviews — the moat a new listing must climb.
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