relay buddy
Skip itSoft demand (-16.7% this quarter) — this niche doesn't clear our bar today.
Review moat
Great385.8avg incumbent reviews — the moat a new listing must climb
Avg price
Good$105.80avg listing price — sweet spot $15–$100
Price range
Good$15.66–$166.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.8%return rate — above 5% kills the launch gate
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Market size
Bad$92K$92K/yr · 23K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-16.7%90-day search growth — must beat 0% to launch
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
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.Top relay buddy search terms
- relay buddy14K/yr
- relay buddy tester6K/yr
- super relay buddy3K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Relay Buddy Super Pro Kit Chrome Green/Red/Yellow
ES$163.254.6★171 rev
Super Relay Buddy
Relay Buddy$104.794.6★557 rev
Electronic Specialties 190 Relay Buddy Automotive Relay Tester
Relay Buddy$69.314.6★628 rev
ESI 193 Black 2.5 x 5 12/24V Diagnostic Relay Buddy Pro Test Kit
Relay Buddy$156.424.6★398 rev
Relay Buddy 12/24 Volt
Relay Buddy$71.984.5★482 rev
Newest
by launch date
Super Relay Buddy
Relay Buddy$166.440 rev
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$45.04325 rev
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$47.83368 rev
9038A Relay Bypass Switch Relay Tester Bypass Switch Kit with Amp Loop 6-Pack Black
Prismora$15.66543 rev
Performance Tool 3009 Compact Cordless Automotive Relay Tester for 12 Volt 4 and 5 pin relays and More
Performance Tool$46.571,164 rev
Trending
90-day click momentumESI 193 Black 2.5 x 5 12/24V Diagnostic Relay Buddy Pro Test Kit
Relay Buddy$156.424.6★
Electronic Specialties ESI-194 Super Relay Buddy Relay Tester
Electronic Specialties$138.935.0★
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$47.834.5★
Electronic Specialties 190 Relay Buddy Automotive Relay Tester
Relay Buddy$69.314.6★
Super Relay Buddy
Relay Buddy$166.440.0★
What buyers say about relay buddy
What buyers praise and complain about, mined from review topics.What buyers love
“it works amazing”
“excellent product”
“Works like should”
“Money well spent”
“Easy to use”
“Also very effective”
“Works well,”
“practical for carrying in the car”
“This tester is simple to use unbox it follow directions”
“This should work great with my DC miliamp ckamp meter for diagnostic testing”
What buyers complain about
“Not compatible with Ford”
“Did not work”
“Doesnt fit em all”
“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”
“Dies quickly and only works for a couple jumps”
“This item probably will be returned”
“Waste of $”
“Bad tester”
“Not strong enough to jump all types of cars”
“Very good item even though a little pricey”
Top return reasons
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.