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45

tf card

Skip it

A deep review moat (19,446 avg reviews) — this niche doesn't clear our bar today.

Market size 28Growth 23Conversion 81Competition 34Returns 94Price range 47Avg price 42Brand share 38Review moat 17Quality gap 60

Returns

Great1.0%

return rate — above 5% kills the launch gate

Conversion

Great8.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay£4.80–£23.97

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

Avg price

Okay£10.98

avg listing price — sweet spot $15–$100

Brand share

Okay82%

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

Competition

Okay64%

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

Market size

Okay£118K

£118K/yr · 128K searches

Growth

Bad-3.7%

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

Review moat

Bad19,446.33

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, tf card is a £118K/yr Amazon United Kingdom market (128K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Dec. Verdict: Skip it — 45/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

tf card market data

Units sold / yr
10K–13K
avg 250–500/product
Revenue / yr
£110K–£137K
units × avg price
Conversion rate
8.4%
Avg BSR
#27
Page quality
0%
Prime
95%
Sponsored
81%
Out of stock
14.3%
Avg brand age
40 months
Avg seller age
193 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

32

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

64%

Top 20: 99%

Open market

14%

  • Annadue39%
  • Netac16%
  • KOOTION14%
  • SanDisk8%
  • BIWIN5%
  • whraqzzc4%
  • Open — no brand owns it (8 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.7% search growth over the last 90 days.
5K4KHoliday '24Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top tf card search terms

  • tf card99K/yr
  • tf memory card16K/yr
  • tf card 32gb13K/yr
All search terms

Top tf card products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%£5K8%£9K12%£14K16%£19K1101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about tf card

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money26%

“Great value for money”

Quality-Overall22%

“Good quality as cards”

Advertised Vs Actual Product18%

“As advertised”

Compatibility-Overall6%

“great compatibility”

Storage Capacity6%

“Good capacity”

Camera Quality4%

“Perfect, camera works so much better now”

Data Transfer Speed4%

“handy for computer transfers”

Size-Overall2%

“Excellent size”

Ease Of Use2%

“Very easy to use”

Security2%

“Perfect for my security camera”

What buyers complain about

Functionality-Overall24%

“no longer works”

Durability23%

“Broke after 1 week”

Quality-Overall11%

“Low quality”

Compatibility-Overall10%

“incompatible due to this reason”

Value For Money5%

“Over priced”

Storage Capacity4%

“The storage is not what it promised to be”

Size-Overall2%

“Not fit for purpose”

Camera Quality2%

“Corrupt after 1 month use in security camera”

Advertised Vs Actual Product2%

“Scam the TF card isnt the soze suggested”

Computation Performance2%

“Disk corrupted in 2 days all data lost thanks”

Top return reasons

Compatibility-Overall35%
Functionality-Overall29%
Size-Overall11%
Defective Material/Parts4%
Camera Quality4%
Storage Capacity3%
Advertised Vs Actual Product2%
Quality-Overall2%
Durability2%
Product Condition1%

Common questions

Is tf card profitable to sell on Amazon United Kingdom?
The niche generates £118K/yr across 21 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -3.7%. Flapen's verdict: Skip it (45/100).
How competitive is the tf card niche?
14 brands and 32 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in tf card?
Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 1.0%.
When does demand for tf card peak?
Demand peaks in Dec; the busiest month runs 1.6× the quietest.
What does it cost to enter the tf card niche?
Listings span £4.80–£23.97; the average listing price is £10.98 (sweet spot $15–$100). The average incumbent carries 19,446 reviews — the moat a new listing must climb.