---
title: "Trend — winter pool cover 21 ft round above ground - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/winter-pool-cover-21-ft-round-above-ground/trend"
last_updated: "2026-08-07T21:00:03.292Z"
locale: en
meta:
  description: "Niche score 60/100 · $55K/yr market · 26K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · $55K/yr market · 26K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — winter pool cover 21 ft round above ground - Flapen"
---

# **winter pool cover 21 ft round above ground**

**Worth a look**

Shows demand growing +371.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 14Growth 100Conversion 35Competition 49Returns 70Price range 81Avg price 84Brand share 43Review moat 62Quality gap 92

**Growth**

**Incredible****+371.2%**

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

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****$75.62**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$27.14–$114.96**

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

**Returns**

**Good****2.2%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,024.46**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****55%**

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

**Brand share**

**Okay****79%**

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

**Conversion**

**Okay****2.8%**

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

**Market size**

**Bad****$55K**

$55K/yr · 26K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Trend