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eufy smart lock c34

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 2Growth 17Conversion 19Competition 5Returns 23Price range 58Avg price 79Brand share 0Review moat 54Quality gap 85

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$88.77

avg listing price — sweet spot $15–$100

Price range

Good$61.47–$127.98

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

Review moat

Good1,330.67

avg incumbent reviews — the moat a new listing must climb

Returns

Bad5.5%

return rate — above 5% kills the launch gate

Conversion

Bad1.6%

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

Growth

Bad-16.1%

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

Competition

Bad94%

top-5 click share — a locked-up shelf

Market size

Bad$7K

$7K/yr · 5K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, eufy smart lock c34 is a $7K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 26/100.

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

eufy smart lock c34 market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
$9K–$22K
units × avg price
Conversion rate
1.6%
Avg BSR
#53
Page quality
0%
Prime
100%
Sponsored
50%
Out of stock
15.4%
Avg brand age
31 months
Avg seller age
197 days

Competition & brand share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 flat

Sellers

5

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

0%

  • eufy Security100%

Demand & seasonality

Weekly Amazon search volume, last 54 weeks — -16.1% search growth over the last 90 days.
300200Spike '25Holiday '25Spike '26JulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.1×

Top eufy smart lock c34 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%$70020%$1K30%$2K40%$3K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about eufy smart lock c34

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

What buyers love

Assembly/Installation23%

“Easy set up”

Locking Mechanism17%

“Lock worked great”

Quality-Overall9%

“Good Quality and Easy Installation”

Battery Life5%

“Battery life is excellent”

Advertised Vs Actual Product5%

“Works as advertised”

Ease Of Use5%

“Easy and convenient”

Value For Money4%

“not expensive”

Security4%

“Sleek, Secure & Easy to Use”

Connectivity-Overall4%

“Ive had no issues with losing connectivity”

Image/Picture Clarity2%

“Clear picture also”

What buyers complain about

Battery Life16%

“Battery life is horrendous”

Durability15%

“Wont last”

Connectivity-Overall12%

“it went disconnected again”

Locking Mechanism7%

“Literally doesn't lock”

Functionality-Overall5%

“it never worked properly”

Quality-Overall5%

“Not as good as described”

Charging3%

“needs to be charged too frequently”

Compatibility-Overall2%

“However, it is absolutely awful when trying to pair it with Google Home or Home Assistant”

Value For Money2%

“expense than it was worth”

Water Resistance2%

“Doesnt work when its raining”

Top return reasons

Size-Overall15%
Connectivity-Overall13%
Functionality-Overall12%
Compatibility-Overall12%
Value For Money11%
Locking Mechanism8%
Defective Material/Parts5%
Assembly/Installation3%
Advertised Vs Actual Product3%
Color3%

Common questions

Is eufy smart lock c34 profitable to sell on Amazon United States?
The niche generates $7K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.1%. Flapen's verdict: Skip it (26/100).
How competitive is the eufy smart lock c34 niche?
1 brands and 5 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in eufy smart lock c34?
Top complaints mined from reviews: Battery Life, Durability, Connectivity-Overall. The return rate is 5.5% — above our launch gate.
When does demand for eufy smart lock c34 peak?
Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 3.1× the quietest.
What does it cost to enter the eufy smart lock c34 niche?
Listings span $61.47–$127.98; the average listing price is $88.77 (sweet spot $15–$100). The average incumbent carries 1,331 reviews — the moat a new listing must climb.