---
title: "Trend — 21 ft solar pool cover round - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/21-ft-solar-pool-cover-round/trend"
last_updated: "2026-08-06T00:38:14.934Z"
locale: en
meta:
  description: "Niche score 59/100 · $120K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · $120K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — 21 ft solar pool cover round - Flapen"
---

# **21 ft solar pool cover round**

**Worth a look**

Shows demand growing +533.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 28Growth 100Conversion 78Competition 32Returns 99Price range 14Avg price 69Brand share 33Review moat 59Quality gap 70

**Growth**

**Incredible****+533.9%**

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

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****7.7%**

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

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$116.97**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****1,132.11**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****85%**

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

**Competition**

**Okay****66%**

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

**Market size**

**Okay****$120K**

$120K/yr · 13K searches

**Price range**

**Bad****$75.03–$253.48**

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

**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