Skip to content
48

rekey kit

Skip it

A small market ($115K/yr) — this niche doesn't clear our bar today.

Market size 27Growth 29Conversion 35Competition 46Returns 44Price range 65Avg price 95Brand share 51Review moat 74Quality gap 82

Avg price

Incredible$46.19

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good532.71

avg incumbent reviews — the moat a new listing must climb

Price range

Good$11.69–$142.61

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

Brand share

Good74%

top-5 brand share — brands hold most of the demand

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Returns

Okay3.5%

return rate — above 5% kills the launch gate

Conversion

Okay2.8%

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

Growth

Okay+2.9%

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

Market size

Okay$115K

$115K/yr · 90K searches

According to Flapen's Amazon United States niche tracking, rekey kit is a $115K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 48/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

rekey kit market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
$92K–$115K
units × avg price
Conversion rate
2.8%
Avg BSR
#401
Page quality
0%
Prime
100%
Sponsored
82%
Out of stock
3.4%
Avg brand age
55 months
Avg seller age
171 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

45

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

58%

Top 20: 100%

Open market

18%

  • Kwikset25%
  • QIPAKLT14%
  • LRWZOV13%
  • PRIME-LINE13%
  • SUMMIT DOORWARE10%
  • shiguan8%
  • Open — no brand owns it (6 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
10K6KSpike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 4.5×

Top rekey kit search terms

  • rekey kit40K/yr
  • rekeying kit16K/yr
  • defiant rekey kit10K/yr
  • lock rekeying kit7K/yr
  • lock pinning kit5K/yr
  • lock pin set3K/yr
  • door lock rekey kit3K/yr
  • rekey3K/yr
  • lock rekey kit3K/yr
All search terms

Top rekey kit 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%10%$11K20%$23K30%$34K40%$46K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about rekey kit

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

What buyers love

Ease Of Use19%

“Easy as pie”

Locking Mechanism16%

“easy to do for anyone with lock experience”

Quality-Overall15%

“I have to say that this is a quality kit at a budget price”

Value For Money11%

“This product was much cheaper”

Advertised Vs Actual Product7%

“It works as advertised”

Size-Overall3%

“fits in your pocket”

Efficiency3%

“Works great”

Functionality-Overall3%

“It worked”

Color2%

“This set with the different colors made the task much easier”

Instructions/User Manual/Troubleshooting2%

“Very easy instructions”

What buyers complain about

Size-Overall25%

“Pins too big”

Quality-Overall9%

“Absolute Garbage”

Functionality-Overall8%

“Another reviewer wrote that the included clip removal tool doesn't work”

Locking Mechanism7%

“The tools don't work for a newer schlage lock”

Instructions/User Manual/Troubleshooting5%

“Comes with no directions”

Ease Of Use4%

“hard to open”

Advertised Vs Actual Product4%

“was not the same one in the product images”

Design-Overall2%

“Poorly designed, and poorly manufactured”

Color2%

“These should really be color coded”

Defective Material/Parts2%

“If you lose a part”

Top return reasons

Compatibility-Overall24%
Size-Overall19%
Functionality-Overall11%
Locking Mechanism9%
Advertised Vs Actual Product9%
Value For Money8%
Defective Material/Parts5%
Mechanism Issues3%
Instructions/User Manual/Troubleshooting2%
Quality-Overall2%

Common questions

Is rekey kit profitable to sell on Amazon United States?
The niche generates $115K/yr across 17 tracked products. 4 of 9 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Skip it (48/100).
How competitive is the rekey kit niche?
12 brands and 45 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in rekey kit?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Functionality-Overall. The return rate is 3.5%.
When does demand for rekey kit peak?
Demand peaks in Sep–Oct; the busiest month runs 4.5× the quietest.
What does it cost to enter the rekey kit niche?
Listings span $11.69–$142.61; the average listing price is $46.19 (sweet spot $15–$100). The average incumbent carries 533 reviews — the moat a new listing must climb.