---
title: "Reviews — cpm machine knee - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/cpm-machine-knee/reviews"
last_updated: "2026-07-21T21:04:03.132Z"
locale: en
meta:
  description: "Niche score 41/100 · $219K/yr market · 138K searches/yr · $241.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 41/100 · $219K/yr market · 138K searches/yr · $241.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — cpm machine knee - Flapen"
---

# **cpm machine knee**

**Skip it**

Weak search conversion (0.7%) — this niche doesn't clear our bar today.

Market size 42Growth 20Conversion 8Competition 70Returns 36Price range 10Avg price 40Brand share 53Review moat 72Quality gap 58

**Review moat**

**Good****617**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****43%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****73%**

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

**Market size**

**Okay****$219K**

$219K/yr · 138K searches

**Avg price**

**Okay****$241.65**

avg listing price — sweet spot $15–$100

**Returns**

**Okay****4.7%**

return rate — above 6% kills the launch gate

**Growth**

**Bad****-10.3%**

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

**Price range**

**Bad****$19.66–$840.05**

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

**Conversion**

**Bad****0.7%**

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