Is 27 round pool liner profitable to sell on Amazon United States?

The niche generates $40K/yr across 30 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +98.2%. Flapen's verdict: Skip it (47/100).

How competitive is the 27 round pool liner niche?

6 brands and 14 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 99% of demand.

What do buyers complain about in 27 round pool liner?

Top complaints mined from reviews: Stitch/Finish/Polish, Leak-Proof, Thickness. The return rate is 0.6%.

What does it cost to enter the 27 round pool liner niche?

Listings span $101.97–$515.28; the average listing price is $374.78 (sweet spot $15–$100). The average incumbent carries 366 reviews — the moat a new listing must climb.

27 round pool liner

Skip it

Prices mostly outside the sweet spot ($101.97–$515.28) — this niche doesn't clear our bar today.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Growth

Great+98.2%

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

Review moat

Great366.03

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Competition

Good52%

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

Avg price

Bad$374.78

avg listing price — sweet spot $15–$100

Market size

Bad$40K

$40K/yr · 18K searches

Conversion

Bad0.6%

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

Brand share

Bad99%

top-5 brand share — brand-locked demand

Price range

Bad$101.97–$515.28

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

Signals High Price

According to Flapen's Amazon United States niche tracking, 27 round pool liner is a $40K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 47/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

27 round pool liner market data

Units sold / yr: 100–250; avg 0–100/product
Revenue / yr: $37K–$94K; units × avg price
Conversion rate: 0.6%
Avg BSR: #96
Page quality: 0%
Prime: 23%
Sponsored: 87%
Out of stock: 14.6%
Avg brand age: 43 months
Avg seller age: 215 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 falling

Sellers

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

52%

Top 20: 90%

Open market

Smartline61%
VEVOR13%
Swimline12%
Blue Wave11%
LINERWORLD.COM1%
Shop Square1%

Top 27 round pool liner search terms

27 round pool liner5K/yr +101.4%0.7% conv.
27 foot pool liner4K/yr +81.0%1.1% conv.
27 ft round pool liner4K/yr +107.7%0.7% conv.
27 pool liner4K/yr +106.2%0.7% conv.

All search terms

Top 27 round pool liner 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

VEVOR 27-ft Round Above Ground Pool Liner Overlap Pool Liners Standard Gauge Vinyl 48-to-54inch Wall Height Designed for Steel Sided Above-Ground Swimming Pools

VEVOR$308.494.3★231 rev

Smartline$276.414.2★355 rev

Smartline$350.094.4★60 rev

Smartline$491.074.6★585 rev

Smartline$495.094.6★594 rev

Newest

by launch date

LINERWORLD.COM 27 Round Beaded Pool Liner for Above Ground Swimming Pools - 25 Gauge Heavy Duty Vinyl - 54 Wall Height - Standard Bead

LINERWORLD.COM$431.464 rev

3mo ago

Swimline Overlap Pool Liner for Above Ground Pools Cracked Glass 27 (Round) 48/52 Inch Wall 25 Gauge

Swimline$383.4244 rev

6mo ago

Swimline Overlap Pool Liner for Above Ground Pools Caribbean 27 (Round) 48/52 Inch Wall 25 Gauge

Swimline$388.1044 rev

6mo ago

Smartline$456.133 rev

9mo ago

Smartline 27 ft Round Waves of Poseidon Pool Liner | Overlap Style | 54 Inch Wall Height | 25 Gauge Virgin Vinyl | Designed for Steel Sided Above Ground Swimming Pools

Smartline$393.35435 rev

10mo ago

What buyers say about 27 round pool liner

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

What buyers love

Size-Overall33%

“Fit perfectly”

Assembly/Installation17%

“Easy to install and beautiful”

Design-Overall8%

“looks beautiful”

Value For Money8%

“great price”

Quality-Overall8%

“Nice quality”

Material Quality4%

“Held up for 2 years now thick material very durable”

Ease Of Use4%

“is usable”

Durability4%

“Great product very durable”

What buyers complain about

Stitch/Finish/Polish30%

“Horrible, thin, and we have had to patch several places already around where the sides and bottom meet, its not a solid liner its got 3 sections so there are a lot of seams”

Leak-Proof20%

“We started having leaking”

Thickness10%

“picture makes it look much thicker than it is”

Durability10%

“it teared in 2 spots very cheaply made”

Top return reasons

Size-Overall59%

Advertised Vs Actual Product8%

Leak-Proof6%

Thin4%

Stitch/Finish/Polish3%

Ease Of Use3%

Material Quality3%

Water Resistance2%

Thickness2%

Assembly/Installation2%

Common questions

Is 27 round pool liner profitable to sell on Amazon United States?: The niche generates $40K/yr across 30 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +98.2%. Flapen's verdict: Skip it (47/100).
How competitive is the 27 round pool liner niche?: 6 brands and 14 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in 27 round pool liner?: Top complaints mined from reviews: Stitch/Finish/Polish, Leak-Proof, Thickness. The return rate is 0.6%.
What does it cost to enter the 27 round pool liner niche?: Listings span $101.97–$515.28; the average listing price is $374.78 (sweet spot $15–$100). The average incumbent carries 366 reviews — the moat a new listing must climb.