---
title: "Reviews — coolant - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/coolant/reviews"
last_updated: "2026-08-10T20:57:11.011Z"
locale: en
meta:
  description: "Niche score 56/100 · $2.0M/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 56/100 · $2.0M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — coolant - Flapen"
---

# **coolant**

**Worth a look**

Shows a $2.0M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 20Conversion 63Competition 67Returns 86Price range 90Avg price 90Brand share 11Review moat 47Quality gap 14

**Market size**

**Incredible****$2.0M**

$2.0M/yr · 1.8M searches

**Avg price**

**Great****$20.82**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.11–$87.86**

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

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Competition**

**Good****45%**

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

**Conversion**

**Good****5.6%**

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

**Review moat**

**Okay****1,786.18**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-10.4%**

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

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****96%**

top-5 brand share — brand-locked demand

## Reviews