rekey kit
Skip itA small market ($115K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$46.19avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good532.71avg incumbent reviews — the moat a new listing must climb
Price range
Good$11.69–$142.61cheapest 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.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
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kwikset SmartKey Re-Key Kit for Kwikset SmartKey Locks Only DIY Rekey Tool Set Easy Key Reset Not Compatible with Non-SmartKey Locks
Kwikset$11.694.7★4,402 rev

Rekey Kit for Kwikset Complete 4-Tool DIY Set with Brass Bottom Pin
LRWZOV$25.644.4★25 rev

SUMMIT DOORWARE Premium Schlage Rekey Kit Compatible with 50 Master Pins | Schlage Rekeying Kit with Seal-Tight Plastic Box | Lock Pinning Kit Compatible with 50 Bottom 50 Top Pins and 50 Spring
SUMMIT DOORWARE$67.784.1★548 rev

Prime-Line E 2402 Re-Keying Kit Re-Key a Lock Kit with Pre-Cut Keys for Rekeying all your Locks to One Key For Schlage Brand Locks Type C 5-Pin Style Locks (1 Kit)
PRIME-LINE$13.643.9★2,168 rev

SC1 SC4 Keyway Rekey Kit Compatible with Schlage Rekey Kit DIY Lock Rekeying Set for Home Security and Door Locks with Bottom Pins (0-9 50 Each)
shiguan$26.664.2★84 rev
Newest
by launch date
SC1 SC4 Rekey Kit for Schlage Locks 500 Pcs
ETZ$25.8515 rev

1000-Piece KW1 Rekey Kit Lock Rekeying Kit with Cylinder Service Tools
QIPAKLT$68.1014 rev

SC1 & SC4 Rekey Kit Lock Rekeying Kit Cylinder Pinning Kit
QIPAKLT$87.0911 rev

SC1 SC4 Compatible Sc-hlage Rekey Kit Residential Lock Rekeying Kit
QIPAKLT$69.706 rev

Rekey Kit for Kwikset Complete 4-Tool DIY Set with Brass Bottom Pin
LRWZOV$25.6425 rev
Trending
90-day click momentum
SC1 & SC4 Rekey Kit Lock Rekeying Kit Cylinder Pinning Kit
QIPAKLT$87.093.8★

SC1 SC4 Rekey Kit for Schlage Locks 500 Pcs
ETZ$25.853.8★

1000-Piece KW1 Rekey Kit Lock Rekeying Kit with Cylinder Service Tools
QIPAKLT$68.104.1★

Rekey Kit for Kwikset Complete 4-Tool DIY Set with Brass Bottom Pin
LRWZOV$25.644.4★

SC1/SC4 Keyway Re-Key Kit Compatible with Schlage Rekeying Kit 0-9 50 Each
Txdiyifu$25.494.4★
What buyers say about rekey kit
What buyers praise and complain about, mined from review topics.What buyers love
“Easy as pie”
“easy to do for anyone with lock experience”
“I have to say that this is a quality kit at a budget price”
“This product was much cheaper”
“It works as advertised”
“fits in your pocket”
“Works great”
“It worked”
“This set with the different colors made the task much easier”
“Very easy instructions”
What buyers complain about
“Pins too big”
“Absolute Garbage”
“Another reviewer wrote that the included clip removal tool doesn't work”
“The tools don't work for a newer schlage lock”
“Comes with no directions”
“hard to open”
“was not the same one in the product images”
“Poorly designed, and poorly manufactured”
“These should really be color coded”
“If you lose a part”
Top return reasons
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.