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Sister in Law Birthday Cards

Sister in Law Birthday Cards shows low returns (0.1%), but prices mostly outside the sweet spot ($2.08–$5.85) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 23Growth 22Conversion 96Competition 78Returns 100Price range 0Avg price 9Brand share 79Review moat 87Quality gap 20
This niche Category average

Is Sister in Law Birthday Cards profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Sister in Law Birthday Cards is a £93K/yr Amazon United Kingdom market (221K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 53/100.

Sister in Law Birthday Cards: 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 -6.6% over the last 90 days and 13.4% of searches end in a purchase.

£93K

revenue / yr

Units sold / yr30K
Search volume / yr-6.6%221K
Conversion rate13.4%
Avg price£3.15

Who owns the niche?

The top 5 brands hold 56% of demand, so 44% of the market is open.

44%

open market share

Brands · sellers21 · 47
Top-5 product click share37%
Open market44%
Avg brand age32 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 44 products

Sponsored placement77%
New entrants (1y)14· 1 succeeded
Avg rating4.7★
Avg reviews257

Top Sister in Law Birthday Cards 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 (37% combined) — an open shelf where new products get seen.

£0£3K£6K£8K£11K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

21 falling

Sellers

47

Top-5 brand share

56%

Top 20: 99%

Top-5 click share

37%

Top 20: 79%

Open market

38%

  • Cherry Orchard14%
  • Me To You14%
  • Old English Company11%
  • Olivia Samuel9%
  • Piccadilly Greetings9%
  • Card Essentials7%

Sister in Law Birthday Cards demand & seasonality

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

Volume221KCVR13.4%Products44Brands21Top 5 Brands56%OOS Rate3.3%Rating4.7★Reviews257Avg BSR#2,786
5K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 2.0×

Top Sister in Law Birthday Cards search terms shoppers use

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

  • sister in law birthday cards134K/yr
  • sister in law birthday card33K/yr
  • birthday card sister in law21K/yr
  • birthday card for sister in law11K/yr
  • birthday cards for sister in law11K/yr
  • sister in law card6K/yr
  • happy birthday sister in law card5K/yr

What reviews say buyers love and hate about Sister in Law Birthday Cards

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

What buyers love

100% of reviews
Quality-Overall43%

Card is nice quality

Value For Money28%

Great value

Size-Overall8%

Good size

Color8%

Vibrant and colourful

Advertised Vs Actual Product5%

As requested

What buyers complain about

100% of reviews
Size-Overall75%

small than I wanted

Design-Overall25%

The cad itself was nt very decorative

Sister in Law Birthday Cards return rate & reasons

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

0.1%

Return rate

67%

Fixable by listing

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

1Strength
33%
2Display Colors
33%
3Size-Overall
33%

Common Sister in Law Birthday Cards questions

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

Flapen scores Sister in Law Birthday Cards 53/100 on Amazon United Kingdom — Worth a look. The niche generates £93K/yr across 44 tracked products. 1 of 14 products launched in the last 360 days are still selling. Search demand moved -6.6% over the last 90 days.
Search demand for Sister in Law Birthday Cards on Amazon United Kingdom is steady year-round — the busiest month runs 2.0× the quietest.