---
title: "Products — rodent repellent for car engines - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/rodent-repellent-for-car-engines/products"
last_updated: "2026-08-06T05:02:59.758Z"
locale: en
meta:
  description: "Niche score 73/100 · $280K/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 73/100 · $280K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — rodent repellent for car engines - Flapen"
---

# **rodent repellent for car engines**

**Worth a look**

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 50Growth 91Conversion 76Competition 42Returns 98Price range 94Avg price 95Brand share 66Review moat 41Quality gap 97

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****3.8★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****$25.45**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.73–$50.68**

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

**Growth**

**Great****+98.8%**

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

**Conversion**

**Great****7.2%**

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

**Brand share**

**Good****65%**

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

**Market size**

**Good****$280K**

$280K/yr · 153K searches

**Competition**

**Okay****60%**

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

**Review moat**

**Okay****2,388.05**

avg incumbent reviews — the moat a new listing must climb

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Products