Skip to content
42

mailbox alert

Skip it

Soft demand (-27.0% this quarter) — this niche doesn't clear our bar today.

Market size 29Growth 11Conversion 37Competition 30Returns 19Price range 89Avg price 95Brand share 37Review moat 74Quality gap 96

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$31.54

avg listing price — sweet spot $15–$100

Price range

Great$11.71–$55.44

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

Review moat

Good531.75

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.0%

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

Brand share

Okay83%

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

Competition

Okay67%

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

Market size

Okay$128K

$128K/yr · 137K searches

Returns

Bad6.6%

return rate — above 5% kills the launch gate

Growth

Bad-27.0%

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

According to Flapen's Amazon United States niche tracking, mailbox alert is a $128K/yr Amazon United States market (137K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 42/100.

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

mailbox alert market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
$126K–$158K
units × avg price
Conversion rate
3.0%
Avg BSR
#167
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
18.3%
Avg brand age
56 months
Avg seller age
159 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 flat

Sellers

18

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

9%

  • X-Sense37%
  • Mail Chime14%
  • briidea11%
  • BITIWEND11%
  • Satisure10%
  • Feekoon8%
  • Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.0% search growth over the last 90 days.
5K3KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.0×

Top mailbox alert search terms

  • mailbox sensor22K/yr
  • mailbox alarm24K/yr
  • mailbox alert for delivered mail18K/yr
  • mailbox alert16K/yr
  • smart mailbox10K/yr
  • mailbox notification device9K/yr
  • mailbox alarm for delivered mail10K/yr
  • mailbox sensor alert wireless7K/yr
  • mailbox alarm wireless long range6K/yr
  • mail box alert for delivered mail4K/yr
All search terms

Top mailbox alert 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%$13K20%$26K30%$39K40%$51K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about mailbox alert

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

What buyers love

Assembly/Installation18%

“Easy Setup”

Efficiency12%

“it functions well nonetheless”

Quality-Overall9%

“is well made”

Value For Money8%

“Good price”

Advertised Vs Actual Product6%

“As advertised”

Ease Of Use6%

“Easy Peasy”

Alarm/Timer Accuracy4%

“Great mailbox alert”

Range4%

“has a pretty good range”

Instructions/User Manual/Troubleshooting3%

“the instructions are clear”

Battery Life2%

“Battery life seems good so far”

What buyers complain about

Functionality-Overall23%

“Doesn't work”

Instructions/User Manual/Troubleshooting8%

“didnt read instructions”

Connectivity-Overall6%

“Never could get to pair”

Durability6%

“Durability issues”

Battery Life5%

“Batteries go dead frequently”

Alarm/Timer Accuracy5%

“Mail box alarm does not work”

Assembly/Installation4%

“Experienced issues during setup”

Adhesion/Stickiness3%

“Terrible adhesive”

Quality-Overall3%

“Cheap made”

Compatibility-Overall3%

“incompatible with 5.0 GHz - READ THIS”

Top return reasons

Alarm/Timer Accuracy21%
Functionality-Overall17%
Connectivity-Overall12%
Range10%
Compatibility-Overall8%
Defective Material/Parts7%
Assembly/Installation4%
Advertised Vs Actual Product3%
Instructions/User Manual/Troubleshooting3%
Size-Overall3%

Common questions

Is mailbox alert profitable to sell on Amazon United States?
The niche generates $128K/yr across 16 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -27.0%. Flapen's verdict: Skip it (42/100).
How competitive is the mailbox alert niche?
9 brands and 18 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in mailbox alert?
Top complaints mined from reviews: Functionality-Overall, Instructions/User Manual/Troubleshooting, Connectivity-Overall. The return rate is 6.6% — above our launch gate.
When does demand for mailbox alert peak?
Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.
What does it cost to enter the mailbox alert niche?
Listings span $11.71–$55.44; the average listing price is $31.54 (sweet spot $15–$100). The average incumbent carries 532 reviews — the moat a new listing must climb.