inground pool cover 18x36
Worth a lookShows beatable incumbent ratings (4.2★), but a small market ($37K/yr) keeps it on the watch list.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Growth
Great+65.7%90-day search growth — must beat 0% to launch
Review moat
Good775.14avg incumbent reviews — the moat a new listing must climb
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Returns
Good2.7%return rate — above 5% kills the launch gate
Brand share
Good74%top-5 brand share — brands hold most of the demand
Avg price
Okay$206.25avg listing price — sweet spot $15–$100
Price range
Bad$42.94–$422.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$37K$37K/yr · 16K searches
According to Flapen's Amazon United States niche tracking, inground pool cover 18x36 is a $37K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 50/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
inground pool cover 18x36 market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $103K–$155K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #273
- Page quality
- 0%
- Prime
- 73%
- Sponsored
- 95%
- Out of stock
- 11.7%
- Avg brand age
- 44 months
- Avg seller age
- 225 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
21
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
46%
Top 20: 100%
Open market
20%
- VEVOR25%
- Shop Square21%
- CIDNN13%
- DEIFRE9%
- Blue Wave7%
- In The Swim6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +65.7% search growth over the last 90 days.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 8.8×
Top inground pool cover 18x36 search terms
- 18x36 pool cover5K/yr
- inground pool cover 18x363K/yr
- 18 x 36 pool cover3K/yr
- 18x36 pool covers for inground pools4K/yr
Top inground pool cover 18x36 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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VEVOR Inground Pool Safety Cover 18 x 36 Rectangle with 4x8ft Center End Step Safety Pool Covers Green Mesh 15-Year Warranty Triple Stitched MAX Strength Winter Safety Cover for Children & Pets
VEVOR$404.264.5★380 rev
18-Ft x 36-Ft Pool Cover for Inground Pools - Rectangle Winter Pool Cover for Inground Pools Extra Thick Material and Durable Design Cold and UV-Resistance Easy Installation Navy Blue
Shop Square$68.223.8★369 rev
Inground Pool Cover Safety Fits Rectangle Swimming Pool Mesh Solid Pool Cover for Inground Pools Winter Pool Safety Cover Includes Safety Net and Installation Tools Blue (Blue Fits 18x36ft Pools)
CIDNN$373.884.5★65 rev
18-Ft x 36-Ft Pool Cover for Inground Pools - Premium Inground Winter Cover Extra Thick Material and Durable Design Cold and UV-Resistance Easy Installation Royal Blue
Shop Square$135.304.4★57 rev
Inground Pool Safety Covers Rectangular Winter Pool Cover for Swimming Pools High Strength Mesh PP Included Installation Tools (Blue Fit 18x36ft Pools)
DEIFRE$368.294.8★29 rev
Newest
by launch date
VEVOR Solar Pool Cover 36 x 18 ft Rectangle Pool Bubble Cover 8 Mil Pools Solar Blanket with Bubble & PE Material Daytime Heat Absorption Nighttime Heat Retention Heat Retaining Solars Covers
VEVOR$111.241,032 rev
Inground Pool Safety Covers Rectangular Winter Pool Cover for Swimming Pools High Strength Mesh PP Included Installation Tools (Blue Fit 18x36ft Pools)
DEIFRE$368.2929 rev
Inground Pool Safety Covers Rectangular Winter Pool Cover for Swimming Pools High Strength Mesh PP Included Installation Tools (Blue (with 4x8ft Center Step) Fit 18x36ft+4x8ft Center Step Pools)
DEIFRE$395.2029 rev
VEVOR Pool Safety Cover 18 x 36 Rectangle Safety Pool Covers Green Mesh 15-Year Warranty Triple Stitched MAX Strength Winter Safety Cover for Children & Pets
VEVOR$374.56380 rev
VEVOR Inground Pool Safety Cover 18 x 36 Rectangle with 4x8ft Center End Step Safety Pool Covers Green Mesh 15-Year Warranty Triple Stitched MAX Strength Winter Safety Cover for Children & Pets
VEVOR$404.26380 rev
Trending
90-day click momentumVEVOR Solar Pool Cover 36 x 18 ft Rectangle Pool Bubble Cover 8 Mil Pools Solar Blanket with Bubble & PE Material Daytime Heat Absorption Nighttime Heat Retention Heat Retaining Solars Covers
VEVOR$111.244.4★
Inground Pool Safety Covers Rectangular Winter Pool Cover for Swimming Pools High Strength Mesh PP Included Installation Tools (Blue (with 4x8ft Center Step) Fit 18x36ft+4x8ft Center Step Pools)
DEIFRE$395.204.8★
VEVOR Solar Pool Cover 36 x 18 ft Rectangle Solar Cover 12 mil for Pools Inground Above Ground Swimming Pool Solar Blanket with Bubble Heat Retaining Solar Covers Blue
VEVOR$159.954.4★
In The Swim 18 x 36 Premium Blue Rectangle Solar Pool Cover 12 Mil for Solar Heating Above Ground Pools and Inground Pools
In The Swim$177.694.1★
In The Swim 18 x 36 Standard Blue Rectangle Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools
In The Swim$125.174.1★
What buyers say about inground pool cover 18x36
What buyers praise and complain about, mined from review topics.What buyers love
“Fit our pool great”
“Heats the pool wonderfully”
“The cover seems to be well-made”
“Better than expected”
“Best money Ive spent this year”
“Durability and Performance”
“Easy to use”
“thickness is very good”
“It has been a lifesaver for keeping leaves, twigs, and debris out of the water, which used to be a constant maintenance headache”
“Simple to assemble”
What buyers complain about
“Poor Quality”
“Already ripped and its been 3 weeks”
“Size not accurate”
“The thickness of the material is thicker than I thought”
“This one wasnt that much cheaper for being a lot less useful”
“Very flimsy”
“It is very difficult to roll and unroll”
“Umm completely useless because its a foot shorter than advertised”
“Leaky seams defeat the purpose of preventing evaporation”
“Didnt even last a week with the rain”
Top return reasons
Common questions
- Is inground pool cover 18x36 profitable to sell on Amazon United States?
- The niche generates $37K/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +65.7%. Flapen's verdict: Worth a look (50/100).
- How competitive is the inground pool cover 18x36 niche?
- 13 brands and 21 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in inground pool cover 18x36?
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 2.7%.
- When does demand for inground pool cover 18x36 peak?
- Demand peaks in Aug–Sep–Oct; the busiest month runs 8.8× the quietest.
- What does it cost to enter the inground pool cover 18x36 niche?
- Listings span $42.94–$422.66; the average listing price is $206.25 (sweet spot $15–$100). The average incumbent carries 775 reviews — the moat a new listing must climb.