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51

nails at home

Worth a look

Shows a sweet-spot price point ($27.59 avg), but soft demand (-18.8% this quarter) keeps it on the watch list.

Market size 26Growth 16Conversion 45Competition 74Returns 82Price range 89Avg price 95Brand share 33Review moat 22Quality gap 77

Avg price

Incredible$27.59

avg listing price — sweet spot $15–$100

Price range

Great$9.69–$80.11

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

Returns

Great1.7%

return rate — above 6% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good40%

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

Conversion

Okay3.6%

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

Brand share

Okay85%

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

Market size

Okay$109K

$109K/yr · 110K searches

Review moat

Bad9,411.47

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-18.8%

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

Competition

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

21

Top-5 brand share

85%

Open market

11%

  • COSCELIA33%
  • JODSONE19%
  • beetles Gel Polish18%
  • YALSYNY10%
  • VANREESA5%
  • phoenixy4%
  • Open — no brand owns it (5 brands, 11%)

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%4%$4K8%$9K12%$13K16%$18K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 32 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 31 weeks — -18.8% search growth over the last 90 days.
5K3KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Value For Money17%

“Great Buy”

Quality-Overall16%

“Good quality set”

Color14%

“Cute colors”

Ease Of Use12%

“easy to handle”

Efficiency5%

“It works VERY well”

Advertised Vs Actual Product4%

“Exactly what I ordered”

Durability3%

“It is durable”

Size-Overall2%

“Fits hand nicely”

Stitch/Finish/Polish2%

“the finish looks professional”

Gifting Purpose2%

“GREAT GIFT”

What buyers complain about

Size-Overall13%

“It was tiny”

Functionality-Overall11%

“Barely works”

Durability11%

“broke right away”

Quality-Overall8%

“Bad quality”

Allergies5%

“ALLERGIC REACTION”

Color4%

“colors are not like on the photo”

Paint Quality4%

“Not great paint”

Value For Money3%

“WASTE OF MONEY”

Leak-Proof2%

“Leaked all over”

Moist/Dry2%

“Takes awhile to dry”

Top return reasons

Functionality-Overall28%
Size-Overall12%
Advertised Vs Actual Product8%
Quality-Overall6%
Defective Material/Parts6%
Leak-Proof5%
Color4%
Paint Quality4%
Durability3%
Value For Money2%