---
title: "Jumper King — $83K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/jumper-king"
last_updated: "2026-08-09T04:28:40.977Z"
locale: en
meta:
description: "Niche score 38/100 · $83K/yr market · 28K searches/yr · $59.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $83K/yr market · 28K searches/yr · $59.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Jumper King — $83K/yr Amazon US Niche (2026) - Flapen"
---
# **jumper king**
**Skip it**
Soft demand (-69.4% this quarter) — this niche doesn't clear our bar today.
Market size 21Growth 0Conversion 59Competition 7Returns 94Price range 95Avg price 90Brand share 22Review moat 86Quality gap 27
**Price range**
**Incredible****$38.38–$86.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$59.22**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****289.57**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$83K**
$83K/yr · 28K searches
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-69.4%**
90-day search growth — must beat 0% to launch
**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") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, jumper king is a $83K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 38/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **jumper king market data**
- **Units sold / yr**
- **750–1K**
- avg 100–250/product
- **Revenue / yr**
- **$44K–$59K**
- units × avg price
- **Conversion rate**
- **5.1%**
- **Avg BSR**
- **#78,693**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **57%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**3%**
- YILISAWIN42% - Supco27% - Tstars9% - Jumper King7% - Venum6% - Zuomeng6% - Open — no brand owns it (1 brand, 3%)
## **Demand**
Weekly Amazon search volume, last 23 weeks — -69.4% search growth over the last 90 days.
4K3KSpike '26Feb '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/jumper-king/trend)
## **Top jumper king search terms**
- **jumper king**9K/yr-50.0%2.8% conv. - **jumper king hvac tool**10K/yr-66.2%2.4% conv. - **trade fox jumper king**5K/yr-87.7%2.2% conv. - **tradefox jumper king**3K/yr-85.8%2.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/jumper-king/search-terms)
## **Top jumper king 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%$12K30%$25K45%$37K60%$50K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Upgrade HVAC Thermostat Bypass Tool Kit - Replacement for Supco Tradefox Jumper King | Professional Jumper Switch for AC/Heating Unit Diagnostic | with 4 Interchangeable Tips & Carrying Case**YILISAWIN**$57.92**4.7★55 rev](https://www.amazon.com/dp/B0DXVZK843) [2**Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit**Supco**$64.15**4.7★308 rev](https://www.amazon.com/dp/B0BHLMJNMR) [3**Tstars King & Queen Matching Couple Hoodie Set - His & Hers Pullover Hoodies - Valentines Day Gift for Couples Black Women Small / Men X-Large**Tstars**$48.90**4.6★1,465 rev](https://www.amazon.com/dp/B01MUCGFAQ) [4**Supco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder**Jumper King**$74.76**5.0★1 rev](https://www.amazon.com/dp/B0H58XJCCP) [5**Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large**Venum**$44.32**4.8★151 rev](https://www.amazon.com/dp/B0DW1N2MY7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Supco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder**Jumper King**$74.76**1 rev1mo ago](https://www.amazon.com/dp/B0H58XJCCP) [**HVAC Thermostat Bypass Tool Kit Compatible Replacement for Supco Tradefox Jumper King Zuomeng Low Voltage Diagnostic Jumper Tool with DIP Switch Overcurrent Protection Flame-Retardant Case**Zuomeng**$38.38**12 rev9mo ago](https://www.amazon.com/dp/B0FX3SH6H9) [**Upgrade HVAC Thermostat Bypass Tool Kit - Replacement for Supco Tradefox Jumper King | Professional Jumper Switch for AC/Heating Unit Diagnostic | with 4 Interchangeable Tips & Carrying Case**YILISAWIN**$57.92**55 rev1y ago](https://www.amazon.com/dp/B0DXVZK843) [**Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large**Venum**$44.32**151 rev1y ago](https://www.amazon.com/dp/B0DW1N2MY7) [**Supplying Demand TFXJK Low Voltage Fused Multi Jumper with Selector Switches**Supplying Demand**$86.09**35 rev3y ago](https://www.amazon.com/dp/B0C1ZX9P27)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Supco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder**Jumper King**$74.76**5.0★**▲ 460%**](https://www.amazon.com/dp/B0H58XJCCP) [**Tstars King & Queen Matching Couple Hoodie Set - His & Hers Pullover Hoodies - Valentines Day Gift for Couples Black Women Small / Men X-Large**Tstars**$48.90**4.6★**▲ 459%**](https://www.amazon.com/dp/B01MUCGFAQ) [**Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large**Venum**$44.32**4.8★**▲ 458%**](https://www.amazon.com/dp/B0DW1N2MY7) [**Upgrade HVAC Thermostat Bypass Tool Kit - Replacement for Supco Tradefox Jumper King | Professional Jumper Switch for AC/Heating Unit Diagnostic | with 4 Interchangeable Tips & Carrying Case**YILISAWIN**$57.92**4.7★**▲ 14%**](https://www.amazon.com/dp/B0DXVZK843) [**HVAC Thermostat Bypass Tool Kit Compatible Replacement for Supco Tradefox Jumper King Zuomeng Low Voltage Diagnostic Jumper Tool with DIP Switch Overcurrent Protection Flame-Retardant Case**Zuomeng**$38.38**3.7★**— 5%**](https://www.amazon.com/dp/B0FX3SH6H9)
**~~View all trending →~~**
## **What buyers say about jumper king**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**33%
*“it works”*
**Advertised Vs Actual Product**20%
*“Works as it should”*
**Functionality-Overall**20%
*“it works well”*
**Ease Of Use**17%
*“Very cool has multiple uses”*
**Instructions/User Manual/Troubleshooting**3%
*“gets the job done without any issues”*
**Design-Overall**3%
*“the layout is simple enough to use even in tight spaces”*
**Strength**3%
*“The case feels sturdy”*
### **What buyers complain about **
**Size-Overall**31%
*“They are too wide”*
**Heating**25%
*“Found defrost broad was the reason for wires melting together”*
**Durability**25%
*“Works great then starts to fall apart after 4-5 uses”*
**Quality-Overall**6%
*“Poor quality”*
**Design-Overall**6%
*“Bad design”*
**Unsustainable Design**6%
*“Horrible design”*
### **Top return reasons **
**Defective Material/Parts**21%
**Functionality-Overall**14%
**Size-Overall**9%
**Quality-Overall**9%
**Advertised Vs Actual Product**9%
**Material Quality**7%
**Touch/Button Controls**7%
**Connectivity-Overall**7%
**Product Condition**5%
**Heating**3%
## **Common questions**
- **Is jumper king profitable to sell on Amazon United States?**
- The niche generates $83K/yr across 7 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -69.4%. Flapen's verdict: Skip it (38/100).
- **How competitive is the jumper king niche?**
- 7 brands and 27 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in jumper king?**
- Top complaints mined from reviews: Size-Overall, Heating, Durability. The return rate is 1.1%.
- **What does it cost to enter the jumper king niche?**
- Listings span $38.38–$86.09; the average listing price is $59.22 (sweet spot $15–$100). The average incumbent carries 290 reviews — the moat a new listing must climb.
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