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50

double mailbox post

Worth a look

Shows a thin review moat (298 avg reviews), but weak search conversion (0.6%) keeps it on the watch list.

Market size 22Growth 49Conversion 7Competition 69Returns 77Price range 15Avg price 57Brand share 48Review moat 85Quality gap 78

Review moat

Great297.79

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Returns

Great1.9%

return rate — above 5% kills the launch gate

Competition

Good44%

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

Avg price

Good$153.40

avg listing price — sweet spot $15–$100

Growth

Okay+19.1%

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

Brand share

Okay76%

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

Market size

Bad$89K

$89K/yr · 102K searches

Price range

Bad$15.60–$578.72

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

Conversion

Bad0.6%

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

According to Flapen's Amazon United States niche tracking, double mailbox post is a $89K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in May. Verdict: Worth a look — 50/100.

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

double mailbox post market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$77K–$115K
units × avg price
Conversion rate
0.6%
Avg BSR
#70
Page quality
0%
Prime
79%
Sponsored
69%
Out of stock
10.3%
Avg brand age
54 months
Avg seller age
154 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

49

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

44%

Top 20: 90%

Open market

17%

  • Ilyapa23%
  • Colingmill17%
  • Mayne15%
  • Handy Post14%
  • OKBA7%
  • Novabright7%
  • Open — no brand owns it (8 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +19.1% search growth over the last 90 days.
3K2KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.9×

Top double mailbox post search terms

  • double mailbox post33K/yr
  • double mailbox post with 2 mailboxes22K/yr
  • double mailbox21K/yr
  • dual mailbox post with 2 mailboxes8K/yr
  • dual mailbox post8K/yr
  • dual mailbox5K/yr
  • double mailboxes5K/yr
All search terms

Top double mailbox post 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%3%$3K6%$5K9%$8K12%$11K1101001K 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 24 tracked products in this niche — three views at once, no toggling.

What buyers say about double mailbox post

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

What buyers love

Quality-Overall15%

“Good quality for the money and easy install”

Strength14%

“Sturdy and easy installation”

Size-Overall14%

“Perfect fit”

Value For Money12%

“Good value”

Assembly/Installation11%

“easy to put together”

Advertised Vs Actual Product6%

“Exactly as advertised”

Design-Overall3%

“It is really well made and looks great”

Durability3%

“Looks durable”

Ease Of Use3%

“Easy to put on”

Efficiency2%

“Back door mail is great”

What buyers complain about

Size-Overall13%

“Very large”

Quality-Overall13%

“slipped through quality control”

Value For Money6%

“it's crazy to me for the price that it is already broken”

Ease Of Use6%

“Hard to close”

Assembly/Installation6%

“Not easy to install”

Durability5%

“I'm not sure how long that will last”

Instructions/User Manual/Troubleshooting4%

“It shipped with zero instructions”

Strength4%

“It looked like one of the sections had been deformed slightly”

Material Quality3%

“I didn't know it was plastic”

Design-Overall3%

“It has an odd design that makes it look crooked”

Top return reasons

Size-Overall52%
Material Quality7%
Advertised Vs Actual Product5%
Defective Material/Parts5%
Functionality-Overall4%
Locking Mechanism3%
Value For Money3%
Mounting3%
Compatibility-Overall2%
Instructions/User Manual/Troubleshooting2%

Common questions

Is double mailbox post profitable to sell on Amazon United States?
The niche generates $89K/yr across 29 tracked products. 3 of 14 products launched in the last 360 days are still selling. 90-day search growth is +19.1%. Flapen's verdict: Worth a look (50/100).
How competitive is the double mailbox post niche?
14 brands and 49 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in double mailbox post?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 1.9%.
When does demand for double mailbox post peak?
Demand peaks in May; the busiest month runs 1.9× the quietest.
What does it cost to enter the double mailbox post niche?
Listings span $15.60–$578.72; the average listing price is $153.40 (sweet spot $15–$100). The average incumbent carries 298 reviews — the moat a new listing must climb.