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5x7 cardstock

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Strong incumbent ratings (4.6★) — this niche doesn't clear our bar today.

Market size 54Growth 30Conversion 83Competition 37Returns 48Price range 51Avg price 43Brand share 63Review moat 78Quality gap 23

Conversion

Great9.0%

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

Review moat

Great436.33

avg incumbent reviews — the moat a new listing must climb

Brand share

Good67%

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

Market size

Good$367K

$367K/yr · 365K searches

Price range

Good$5.22–$25.27

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

Returns

Okay3.2%

return rate — above 6% kills the launch gate

Avg price

Okay$11.17

avg listing price — sweet spot $15–$100

Competition

Okay63%

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

Growth

Okay+4.3%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

21

Top-5 brand share

67%

Open market

26%

  • Prudiut18%
  • Aidunmis18%
  • SUMERX13%
  • Ciphyfee10%
  • Goefun8%
  • Viloth7%

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%$18K10%$37K15%$55K20%$73K101001K10K 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.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.3% search growth over the last 90 days.
9K7KPrime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Quality-Overall17%

“Excellent product”

Thickness10%

“it has the tight thickness”

Size-Overall10%

“Perfect size”

Value For Money8%

“Great price”

Paper Quality8%

“Beautiful card paper”

Print Quality7%

“Looked perfect once printed”

Color4%

“It's a great color”

Advertised Vs Actual Product4%

“Exactly as advertised”

Durability3%

“they are holding up great”

Strength2%

“Classy and Sturdy”

What buyers complain about

Size-Overall19%

“size too small”

Thickness19%

“Not as thick as I would have liked”

Print Quality7%

“No matter which way I tried to print they would not print correctly”

Paper Quality6%

“The paper is flimsy”

Quality-Overall5%

“definitely outside any acceptable variance”

Color5%

“Not white”

Functionality-Overall5%

“Would not feed through printer properly”

Advertised Vs Actual Product3%

“False advertisement”

Measurement/Reading Accuracy2%

“Doesn't Measure Up”

Strength2%

“In my opinion, these 5x7 pieces are not suitable to be the base of a card- they are too flimsy and weak”

Top return reasons

Size-Overall39%
Paper Quality10%
Thin9%
Color7%
Value For Money5%
Advertised Vs Actual Product5%
Compatibility-Overall5%
Thickness4%
Print Quality3%
Functionality-Overall2%