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49

bifold door knobs

Skip it

Soft demand (-7.6% this quarter) — this niche doesn't clear our bar today.

Market size 34Growth 21Conversion 39Competition 91Returns 24Price range 80Avg price 76Brand share 79Review moat 51Quality gap 23

Competition

Great24%

top-5 click share — an open shelf

Price range

Great$2.64–$70.80

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

Brand share

Great56%

top-5 brand share — no brand owns this niche

Avg price

Great$15.47

avg listing price — sweet spot $15–$100

Review moat

Good1,456.88

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.1%

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

Market size

Okay$160K

$160K/yr · 337K searches

Returns

Bad5.2%

return rate — above 5% kills the launch gate

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.6%

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

According to Flapen's Amazon United States niche tracking, bifold door knobs is a $160K/yr Amazon United States market (337K searches/yr). The top 5 brands hold 56% of demand. Verdict: Skip it — 49/100.

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

bifold door knobs market data

Units sold / yr
13K–15K
avg 100–250/product
Revenue / yr
$193K–$232K
units × avg price
Conversion rate
3.1%
Avg BSR
#180
Page quality
0%
Prime
99%
Sponsored
87%
Out of stock
0.4%
Avg brand age
51 months
Avg seller age
162 days

Competition & brand share

Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.

Brands

44 rising

Sellers

89

Top-5 brand share

56%

Top 20: 88%

Top-5 click share

24%

Top 20: 55%

Open market

41%

  • trust4care16%
  • khtumeware14%
  • PRIME-LINE11%
  • Ravinte9%
  • Goldenwarm6%
  • JOY DECOR4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.6% search growth over the last 90 days.
8K6KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top bifold door knobs search terms

  • bifold door knobs72K/yr
  • closet knobs46K/yr
  • bifold closet door knobs31K/yr
  • black closet door knobs31K/yr
  • knobs for bifold doors26K/yr
  • closet knobs for bifold doors27K/yr
  • bifold door handles16K/yr
  • closet knob11K/yr
  • closet door knobs pull10K/yr
  • bi fold door knobs for closet9K/yr
All search terms

Top bifold door knobs 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%2%$3K4%$6K6%$10K8%$13K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about bifold door knobs

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

What buyers love

Quality-Overall20%

“Amazing quality”

Assembly/Installation13%

“Easy to put together”

Value For Money13%

“Amazing Value”

Advertised Vs Actual Product7%

“As described”

Size-Overall7%

“Fits well”

Design-Overall6%

“Nice sleek look”

Strength6%

“Sturdy knobs, easy to install and looks sharp”

Weight Heavy3%

“These feel heavy duty in the hand”

Ease Of Use3%

“Easy to use”

Color2%

“The color is so pretty”

What buyers complain about

Size-Overall20%

“Pretty small”

Quality-Overall12%

“Poor Quality”

Assembly/Installation6%

“Terrible to install”

Material Quality3%

“These things are dollar store material”

Locking Mechanism3%

“the latch part doesn't turn”

Durability3%

“Break easily”

Strength3%

“Very flimsy and cheap looking”

Functionality-Overall2%

“not great on functional pieces”

Compatibility-Overall2%

“I was worried about compatibility”

Weight Heavy2%

“heavy”

Top return reasons

Size-Overall59%
Color9%
Functionality-Overall5%
Compatibility-Overall4%
Defective Material/Parts4%
Advertised Vs Actual Product4%
Value For Money3%
Quality-Overall3%
Locking Mechanism2%
Mechanism Issues1%

Common questions

Is bifold door knobs profitable to sell on Amazon United States?
The niche generates $160K/yr across 98 tracked products. 5 of 21 products launched in the last 360 days are still selling. 90-day search growth is -7.6%. Flapen's verdict: Skip it (49/100).
How competitive is the bifold door knobs niche?
44 brands and 89 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in bifold door knobs?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Assembly/Installation. The return rate is 5.2% — above our launch gate.
When does demand for bifold door knobs peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the bifold door knobs niche?
Listings span $2.64–$70.80; the average listing price is $15.47 (sweet spot $15–$100). The average incumbent carries 1,457 reviews — the moat a new listing must climb.