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lock sets with same key

Skip it

A small market ($9K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 50Conversion 14Competition 29Returns 31Price range 95Avg price 91Brand share 33Review moat 47Quality gap 80

Price range

Incredible$27.88–$91.97

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

Avg price

Great$56.22

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Growth

Okay+19.6%

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

Review moat

Okay1,799.53

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay85%

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

Returns

Okay4.5%

return rate — above 5% kills the launch gate

Competition

Okay68%

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

Conversion

Bad1.1%

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

Market size

Bad$9K

$9K/yr · 14K searches

According to Flapen's Amazon United States niche tracking, lock sets with same key is a $9K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 40/100.

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

lock sets with same key market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$28K–$42K
units × avg price
Conversion rate
1.1%
Avg BSR
#69
Page quality
0%
Prime
100%
Sponsored
74%
Out of stock
0.0%
Avg brand age
49 months
Avg seller age
162 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

36

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

12%

  • Plustool37%
  • Brotima22%
  • Knobonly15%
  • BESTTEN7%
  • Camtek5%
  • Sopoby3%
  • Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +19.6% search growth over the last 90 days.
1K800Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 2.4×

Top lock sets with same key search terms

  • 4 pack door knob and deadbolt set8K/yr
  • 4 door locks with same key4K/yr
  • exterior door lock set 4 pack2K/yr
  • door lock sets same key 4 pack284/yr
All search terms

Top lock sets with same key 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%$86420%$2K30%$3K40%$3K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about lock sets with same key

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

What buyers love

Locking Mechanism20%

“The locks function well”

Value For Money20%

“Good Value”

Assembly/Installation15%

“They install easily and work smoothly”

Quality-Overall12%

“Good Quality”

Size-Overall7%

“Fit perfect”

Durability3%

“Very durable”

Strength2%

“Strong and turns smoothly”

Efficiency2%

“Works good”

Ease Of Use2%

“Easy to use, works well”

Design-Overall1%

“The finish looks sleek”

What buyers complain about

Quality-Overall21%

“Low quality”

Locking Mechanism16%

“Not a re-keyable lock as described”

Advertised Vs Actual Product9%

“Wrong description”

Durability6%

“Amazing how easily it broke”

Strength4%

“Amazing how easily it broke”

Functionality-Overall4%

“They don't work”

Assembly/Installation4%

“Installation was a bit of a pain”

Hard Feel3%

“Stiff”

Compatibility-Overall2%

“This product doesnt line up when trying to replace it with another original qwikset setting”

Material Quality2%

“Low quality materials”

Top return reasons

Size-Overall21%
Locking Mechanism18%
Advertised Vs Actual Product10%
Functionality-Overall9%
Defective Material/Parts9%
Mechanism Issues6%
Color6%
Quality-Overall5%
Value For Money4%
Compatibility-Overall3%

Common questions

Is lock sets with same key profitable to sell on Amazon United States?
The niche generates $9K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +19.6%. Flapen's verdict: Skip it (40/100).
How competitive is the lock sets with same key niche?
11 brands and 36 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in lock sets with same key?
Top complaints mined from reviews: Quality-Overall, Locking Mechanism, Advertised Vs Actual Product. The return rate is 4.5%.
When does demand for lock sets with same key peak?
Demand peaks in Aug–Sep; the busiest month runs 2.4× the quietest.
What does it cost to enter the lock sets with same key niche?
Listings span $27.88–$91.97; the average listing price is $56.22 (sweet spot $15–$100). The average incumbent carries 1,800 reviews — the moat a new listing must climb.