Skip to content
39

red string

Skip it

Soft demand (-23.3% this quarter) — this niche doesn't clear our bar today.

Market size 15Growth 13Conversion 79Competition 37Returns 72Price range 32Avg price 21Brand share 67Review moat 49Quality gap 23

Conversion

Great8.1%

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

Returns

Good2.1%

return rate — above 5% kills the launch gate

Brand share

Good65%

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

Review moat

Okay1,627.78

avg incumbent reviews — the moat a new listing must climb

Competition

Okay63%

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

Price range

Okay$3.22–$20.63

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad$7.71

avg listing price — sweet spot $15–$100

Market size

Bad$58K

$58K/yr · 93K searches

Growth

Bad-23.3%

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

According to Flapen's Amazon United States niche tracking, red string is a $58K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 39/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

red string market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
$62K–$77K
units × avg price
Conversion rate
8.1%
Avg BSR
#129
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
4.1%
Avg brand age
41 months
Avg seller age
138 days

Competition & brand share

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

Brands

14 falling

Sellers

19

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

27%

  • FLIPPED21%
  • KINGLAKE15%
  • TONIFUL11%
  • Leecogo9%
  • Newkita9%
  • Red Heart8%

Demand & seasonality

Weekly Amazon search volume, last 109 weeks — -23.3% search growth over the last 90 days.
4K3KSpike '24Black Friday '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.3×

Top red string 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%10%$6K20%$12K30%$17K40%$23K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about red string

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

What buyers love

Color28%

“Great color”

Quality-Overall25%

“Beautiful quality cord”

Ease Of Use10%

“good for its uses”

Thickness8%

“thickness is all perfect”

Advertised Vs Actual Product7%

“Just what I needed”

Strength7%

“appears to be very strong”

Value For Money5%

“Good value”

Durability3%

“durable”

Design-Overall2%

“sturdy for crafting projects”

Embellishment/Embroidery Quality2%

“looks beautiful in finished pieces”

What buyers complain about

Quality-Overall25%

“Very bad quality”

Durability25%

“Again it came undone”

Strength17%

“Doesnt hold”

Hard Feel17%

“It was too soft”

Stretchability/Expandability/Elasticity6%

“There is no stretch or give to it”

Thickness6%

“Thin,”

Top return reasons

Thin23%
Color14%
Size-Overall11%
Advertised Vs Actual Product11%
Value For Money9%
Material Quality6%
Quality-Overall5%
Thickness5%
Functionality-Overall2%
Stretchability/Expandability/Elasticity2%

Common questions

Is red string profitable to sell on Amazon United States?
The niche generates $58K/yr across 18 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -23.3%. Flapen's verdict: Skip it (39/100).
How competitive is the red string niche?
14 brands and 19 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in red string?
Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 2.1%.
When does demand for red string peak?
Demand peaks in Jan–Feb–Dec; the busiest month runs 2.3× the quietest.
What does it cost to enter the red string niche?
Listings span $3.22–$20.63; the average listing price is $7.71 (sweet spot $15–$100). The average incumbent carries 1,628 reviews — the moat a new listing must climb.