---
title: "Trend — stop leak - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/stop-leak/trend"
last_updated: "2026-08-09T12:29:22.450Z"
locale: en
meta:
  description: "Niche score 43/100 · $284K/yr market · 187K searches/yr · $11.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · $284K/yr market · 187K searches/yr · $11.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — stop leak - Flapen"
---

# **stop leak**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 50Growth 19Conversion 96Competition 11Returns 85Price range 41Avg price 44Brand share 0Review moat 37Quality gap 63

**Conversion**

**Incredible****13.6%**

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

**Returns**

**Great****1.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Good****$284K**

$284K/yr · 187K searches

**Avg price**

**Okay****$11.23**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****$4.10–$22.51**

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

**Review moat**

**Okay****2,752.11**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-12.2%**

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

**Competition**

**Bad****86%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## Trend