Skip to content
26

gm tpms relearn tool

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 12Conversion 85Competition 0Returns 25Price range 0Avg price 27Brand share 0Review moat 24Quality gap 88

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great9.4%

search→purchase rate — share of searches ending in a sale

Avg price

Okay$9.20

avg listing price — sweet spot $15–$100

Returns

Bad6.0%

return rate — above 6% kills the launch gate

Review moat

Bad6,275.8

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$50K

$50K/yr · 57K searches

Growth

Bad-26.1%

90-day search growth — must beat 0% to launch

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad$8.04–$9.82

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

8

Top-5 brand share

100%

Open market

0%

  • MOCATEC68%
  • VXDAS21%
  • ULTRAOBD4%
  • Generic4%
  • JDIAG3%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%20%$10K40%$20K60%$30K80%$40K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -26.1% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.7×

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use21%

“Easy To Use”

Efficiency20%

“Gets the Job Done”

Value For Money16%

“Good value”

Advertised Vs Actual Product14%

“As advertised”

Quality-Overall10%

“Excellent tool”

Functionality-Overall3%

“Not working bad”

Instructions/User Manual/Troubleshooting3%

“The instructions were straightforward”

Pressure2%

“Excellent Air Pressure Test”

Battery Life1%

“Don't forget the 9v battery”

Connectivity-Overall1%

“Good connectivity, is functional, Is accurate, durable”

What buyers complain about

Functionality-Overall42%

“Never worked”

Compatibility-Overall14%

“It didnt work for my vehicle”

Sensor8%

“the sensor wouldnt read”

Quality-Overall7%

“Build quality is basic”

Instructions/User Manual/Troubleshooting4%

“They can't even spell correctly in there instructions”

Advertised Vs Actual Product3%

“Did not work as advertised”

Value For Money3%

“at a huge cost”

Battery Life2%

“battery dead light came on”

Measurement/Reading Accuracy2%

“it took several times to get it to work to calibrate each tire”

Ease Of Use1%

“Unable to use”

Top return reasons

Functionality-Overall46%
Compatibility-Overall22%
Sensor8%
Connectivity-Overall6%
Certifications5%
Defective Material/Parts4%
Advertised Vs Actual Product3%
Instructions/User Manual/Troubleshooting1%
Value For Money1%
Pressure1%