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sliding closet door lock

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A small market ($43K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 21Conversion 49Competition 33Returns 81Price range 21Avg price 37Brand share 66Review moat 32Quality gap 52

Returns

Great1.7%

return rate — above 6% kills the launch gate

Brand share

Good65%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.9%

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

Avg price

Okay$10.46

avg listing price — sweet spot $15–$100

Competition

Okay65%

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

Review moat

Okay3,290.86

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.7%

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

Price range

Bad$4.86–$17.75

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

Market size

Bad$43K

$43K/yr · 106K searches

Competition

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 falling

Sellers

26

Top-5 brand share

65%

Open market

29%

  • Inaya18%
  • ZRFCXE13%
  • Toddleroo by North States13%
  • Makibi12%
  • Safety Innovations8%
  • STERGDE5%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$2K10%$4K15%$6K20%$9K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 18 weeks — -7.7% search growth over the last 90 days.
2K2KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26

Reviews

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

What buyers love

Ease Of Use17%

“Super easy to open”

Assembly/Installation11%

“Easy to set up and use”

Quality-Overall10%

“Great quality, easy to install on my showcase, looks good too”

Locking Mechanism10%

“The locking/unlocking mechanism is super easy”

Advertised Vs Actual Product7%

“As advertised”

Strength6%

“the material a strong”

Value For Money5%

“Great value”

Adhesion/Stickiness5%

“Strong adhesive”

Durability3%

“This has held up great”

Efficiency3%

“effective”

What buyers complain about

Durability13%

“Breaks Easily”

Adhesion/Stickiness13%

“Poor Adhesive”

Locking Mechanism8%

“Lock doesnt work”

Functionality-Overall8%

“Does not do the job”

Strength7%

“Feels flimsy”

Ease Of Use6%

“Too Simple”

Quality-Overall5%

“Good Concept, Poor Quality Control”

Size-Overall3%

“Small”

Thickness3%

“Too thick”

Value For Money3%

“Not worth the money”

Top return reasons

Size-Overall36%
Compatibility-Overall10%
Functionality-Overall10%
Locking Mechanism9%
Adhesion/Stickiness8%
Thickness6%
Advertised Vs Actual Product5%
Defective Material/Parts3%
Value For Money2%
Mechanism Issues2%