---
title: "Trend — rule 500 gph bilge pump - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/rule-500-gph-bilge-pump/trend"
last_updated: "2026-08-12T01:53:42.733Z"
locale: en
meta:
  description: "Niche score 56/100 · $320K/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 · $320K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — rule 500 gph bilge pump - Flapen"
---

# **rule 500 gph bilge pump**

**Worth a look**

Shows demand growing +75.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 52Growth 81Conversion 62Competition 50Returns 65Price range 33Avg price 80Brand share 16Review moat 78Quality gap 47

**Growth**

**Great****+75.0%**

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

**Avg price**

**Great****$86.04**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****436.37**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.4%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****5.5%**

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

**Market size**

**Good****$320K**

$320K/yr · 68K searches

**Competition**

**Okay****55%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$14.64–$270.92**

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

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Trend