---
title: "Reviews — epson 604 ink cartridge - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/epson-604-ink-cartridge/reviews"
last_updated: "2026-07-31T08:08:28.449Z"
locale: en
meta:
  description: "Niche score 61/100 · £876K/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 61/100 · £876K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — epson 604 ink cartridge - Flapen"
---

# **epson 604 ink cartridge**

**Worth a look**

Shows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 75Growth 18Conversion 84Competition 65Returns 97Price range 85Avg price 95Brand share 25Review moat 31Quality gap 65

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****£22.92**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£8.82–£57.16**

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

**Conversion**

**Great****9.3%**

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

**Market size**

**Great****£876K**

£876K/yr · 412K searches

**Competition**

**Good****46%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,392.38**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****90%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-13.4%**

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