lock sets with same key
Skip itA small market ($9K/yr) — this niche doesn't clear our bar today.
Price range
Incredible$27.88–$91.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$56.22avg 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
Okay1,799.53avg 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.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
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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Plustool 4 Pack Front Door Lock Set Matte Black Exterior Door Lock Set with Deadbolt Single Cylinder Deadbolt Lock and Door Knob Set Keyed Alike Door Knob with Lock&Keys Round Ball Entry Door Lockset
Plustool$48.724.3★336 rev

Plustool 4 Pack Exterior Door Lock Set Satin Nickel Door Knob and Deadbolt Combo Set Keyed Alike Entry Door Knobs with Lock&Keys Round Ball Door Locksets with Deadbolt for Entrance and Front Door
Plustool$48.334.2★267 rev

Knobonly Keyed Alike Exterior Door Knob Round Outdoor Lock with One Sided Deadbolt Stainless Steel Satin Nickel Door Knobs Silver Door Handle Sets 4 Pack
Knobonly$56.414.3★1,427 rev

Brotima 4 Pack Keyed Entry Door Knob and Single Cylinder Deadbolt Combination Set in Satin Nickel Keyed Alike Exterior Knob Door Handle and Deadbolt Lock and Key Round Locking Lever Handle Set
Brotima$63.074.6★856 rev

Brotima 4 Pack Keyed Alike Front Door Knob and Deadbolt Set Entry Door Locksets with Single Cylinder Deadbolt Oil Rubbed Bronze Flat Round Door Lock Set for Bedroom/Office/Exterior Doors
Brotima$79.024.6★856 rev
Newest
by launch date
Goldenwarm 4 Pack Entry Door Lock with Deadbolt Keyed Unlike Oil Rubbed Bronze Exterior Door Knobs with Single Cylinder Deadbolt Stainless Steel Front Door Lock Sets for Rental Properties & Offices
Goldenwarm$59.233 rev

Camtek Matte Black Door Locks for Front Door Exterior Door Lock Set with Single Cylinder Deadbolt Lock Flat Square Door Handle for Front Door 4 Pack (All Same Keyed Alike)
Camtek$91.97109 rev

AEEKEL Exterior Door Knob with Lock and Key 4 Pack Keyed Alike Entry Door Knob for Front Door Lock Set Matte Black Bedroom Door Knobs with Lock and Single Cylinder Deadbolt Set
AEEKEL$48.16164 rev

AEEKEL Exterior Door Knob with Lock and Key 4 Pack Keyed Alike Entry Door Knob for Front Door Lock Set Brushed Nickel Bedroom Door Knobs with Lock and Single Cylinder Deadbolt Set
AEEKEL$48.47164 rev

4 Pack BESTTEN Door Knob with Lock and Key Keyed Different Satin Nickel
BESTTEN$34.5811,408 rev
Trending
90-day click momentum
Goldenwarm 4 Pack Entry Door Lock with Deadbolt Keyed Unlike Oil Rubbed Bronze Exterior Door Knobs with Single Cylinder Deadbolt Stainless Steel Front Door Lock Sets for Rental Properties & Offices
Goldenwarm$59.231.8★

Camtek Matte Black Door Locks for Front Door Exterior Door Lock Set with Single Cylinder Deadbolt Lock Flat Square Door Handle for Front Door 4 Pack (All Same Keyed Alike)
Camtek$91.974.4★

BESTTEN 4 Pack All Keyed Same Exterior Door Knob with Key Lock and Deadbolt for Entrance and Front Door Satin Nickel
BESTTEN$52.114.2★

BESTTEN 4 Pack All Keyed Same Exterior Door Knob with Key Lock and Deadbolt for Entrance and Front Door Matte Black
BESTTEN$51.624.2★

Brotima 4 Pack Keyed Alike Front Door Knob and Deadbolt Set Entry Door Locksets with Single Cylinder Deadbolt Matte Black Flat Round Door Lock Set for Bedroom/Office/Exterior Doors
Brotima$78.724.6★
What buyers say about lock sets with same key
What buyers praise and complain about, mined from review topics.What buyers love
“The locks function well”
“Good Value”
“They install easily and work smoothly”
“Good Quality”
“Fit perfect”
“Very durable”
“Strong and turns smoothly”
“Works good”
“Easy to use, works well”
“The finish looks sleek”
What buyers complain about
“Low quality”
“Not a re-keyable lock as described”
“Wrong description”
“Amazing how easily it broke”
“Amazing how easily it broke”
“They don't work”
“Installation was a bit of a pain”
“Stiff”
“This product doesnt line up when trying to replace it with another original qwikset setting”
“Low quality materials”
Top return reasons
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.