jumper king
Skip itSoft demand (-69.4% this quarter) — this niche doesn't clear our bar today.
Price range
Incredible$38.38–$86.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$59.22avg listing price — sweet spot $15–$100
Review moat
Great289.57avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad91%top-5 brand share — brand-locked demand
Market size
Bad$83K$83K/yr · 28K searches
Competition
Bad91%top-5 click share — a locked-up shelf
Growth
Bad-69.4%90-day search growth — must beat 0% to launch
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
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.Top jumper king search terms
- jumper king9K/yr
- jumper king hvac tool10K/yr
- trade fox jumper king5K/yr
- tradefox jumper king3K/yr
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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$57.924.7★55 rev
Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit
Supco$64.154.7★308 rev
Tstars King & Queen Matching Couple Hoodie Set - His & Hers Pullover Hoodies - Valentines Day Gift for Couples Black Women Small / Men X-Large
Tstars$48.904.6★1,465 rev
Supco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder
Jumper King$74.765.0★1 rev
Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large
Venum$44.324.8★151 rev
Newest
by launch dateSupco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder
Jumper King$74.761 rev
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$38.3812 rev
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$57.9255 rev
Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large
Venum$44.32151 rev
Supplying Demand TFXJK Low Voltage Fused Multi Jumper with Selector Switches
Supplying Demand$86.0935 rev
Trending
90-day click momentumSupco Tradefox Jumper King 2.0 | HVAC Thermostat Bypass Tool & Low Voltage Short Finder
Jumper King$74.765.0★
Tstars King & Queen Matching Couple Hoodie Set - His & Hers Pullover Hoodies - Valentines Day Gift for Couples Black Women Small / Men X-Large
Tstars$48.904.6★
Venum UFC Adrenaline Authentic Fight Night Mens Walkout Hoodie - Champion - 4X-Large
Venum$44.324.8★
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$57.924.7★
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$38.383.7★
What buyers say about jumper king
What buyers praise and complain about, mined from review topics.What buyers love
“it works”
“Works as it should”
“it works well”
“Very cool has multiple uses”
“gets the job done without any issues”
“the layout is simple enough to use even in tight spaces”
“The case feels sturdy”
What buyers complain about
“They are too wide”
“Found defrost broad was the reason for wires melting together”
“Works great then starts to fall apart after 4-5 uses”
“Poor quality”
“Bad design”
“Horrible design”
Top return reasons
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.