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Flea

Flea shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

64
Worth a look

Top 11% of 5,777 Home & Garden niches · +13 vs the category median of 51

Market size 34Growth 55Conversion 70Competition 81Returns 99Price range 57Avg price 49Brand share 72Review moat 22Quality gap 78
This niche Category average · 5,777 niches

Is Flea profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Flea is a £160K/yr Amazon United Kingdom market (209K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 64/100.

Flea: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +28.2% over the last 90 days and 6.4% of searches end in a purchase.

£160K

revenue / yr

Units sold / yr13K
Search volume / yr+28.2%209K
Conversion rate6.4%
Avg price£11.87

Who owns the niche?

The top 5 brands hold 62% of demand, so 38% of the market is open.

38%

open market share

Brands · sellers19 · 132
Top-5 product click share34%
Open market38%
Avg brand age49 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 53 products

Sponsored placement91%
New entrants (1y)2· 2 succeeded
Avg rating4.3★
Avg reviews8,859

Top Flea products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

£0£5K£10K£14K£19K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

19 falling

Sellers

132

Top-5 brand share

62%

Top 20: 100%

Top-5 click share

34%

Top 20: 73%

Open market

30%

  • Advantage15%
  • Bob Martin14%
  • FRONTLINE14%
  • Beaphar10%
  • Johnsons9%
  • Naqua Ltd8%

Flea demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume209KCVR6.4%Products53Brands19Top 5 Brands62%OOS Rate4.4%Rating4.3★Reviews8,859Avg BSR#18
6K4KPrime Day '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

Top Flea search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • flea95K/yr
  • flea treatment66K/yr
  • flee14K/yr
  • fleas6K/yr
  • cat and dog flea treatment5K/yr
  • pet flea treatment3K/yr
  • amazon flea treatment5K/yr
  • dog and cat flea treatment3K/yr
  • extra strong flea treatment9K/yr
  • flee treatment2K/yr

What reviews say buyers love and hate about Flea

What buyers mention most, as a share of all reviews.

What buyers love

85% of reviews
Value For Money20%

much cheaper

Quality-Overall20%

Brilliant quality

Advertised Vs Actual Product16%

As advertised

Smell9%

Neutral smell

Ease Of Use8%

Easy to open and apply

What buyers complain about

84% of reviews
Functionality-Overall46%

Doesn't work

Value For Money11%

It's expensive

Allergies8%

Itching

Smell4%

It does smell a bit chemical

Quality-Overall4%

Absolute garbage

Flea return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

19%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
26%
2Leak-Proof
16%
3Spray/Flow
15%
4Advertised Vs Actual Product
12%
5Value For Money
4%

Common Flea questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Flea 64/100 on Amazon United Kingdom — Worth a look. The niche generates £160K/yr across 53 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved +28.2% over the last 90 days.
Flea buyers on Amazon United Kingdom complain most about Functionality-Overall, Value For Money, Allergies, the themes mined from the niche's reviews. Its return rate is 0.1%.