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hp 303 ink cartridges black and colour

Worth a look

Shows searches that convert (20.9% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 78Growth 11Conversion 100Competition 8Returns 98Price range 95Avg price 95Brand share 0Review moat 23Quality gap 47

Conversion

Incredible20.9%

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

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Incredible£26.49

avg listing price — sweet spot $15–$100

Price range

Incredible£14.94–£34.07

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

Market size

Great£1.0M

£1.0M/yr · 190K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,672.71

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-27.8%

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

Competition

Bad90%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, hp 303 ink cartridges black and colour is a £1.0M/yr Amazon United Kingdom market (190K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

hp 303 ink cartridges black and colour market data

Units sold / yr
40K–50K
avg 4,000–5,000/product
Revenue / yr
£1.1M–£1.3M
units × avg price
Conversion rate
20.9%
Avg BSR
#93
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
46 months
Avg seller age
172 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

99

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • HP90%
  • Washope6%
  • INKYEAH4%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 16 weeks — -27.8% search growth over the last 90 days.
5K4KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26

Top hp 303 ink cartridges black and colour search terms

  • hp 303 ink cartridges black and colour44K/yr
  • 303 hp ink cartridges26K/yr
  • hp 30316K/yr
  • hp 303 black ink cartridges15K/yr
  • hp303 cartridges black and colour11K/yr
  • hp 303xl ink cartridges9K/yr
  • hp 303 ink cartridges9K/yr
  • hp 303 ink7K/yr
  • hp 303xl6K/yr
  • 303xl hp ink cartridges6K/yr
All search terms

Top hp 303 ink cartridges black and colour 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%15%£157K30%£314K45%£472K60%£629K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

What buyers say about hp 303 ink cartridges black and colour

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

What buyers love

Quality-Overall16%

“the WISETA cartridges are very good”

Value For Money16%

“Good Value for the money”

Cartridge/Ink Quality12%

“Good quality inks”

Print Quality11%

“printed out smoothly”

Advertised Vs Actual Product10%

“the product is what was advertised”

Assembly/Installation6%

“I didn't have to deal with endless setup issues”

Compatibility-Overall6%

“Reliable and compatible”

Color3%

“Very good colour”

Efficiency2%

“Effective”

Ink Refill2%

“These are a great cartridges”

What buyers complain about

Value For Money22%

“Could be cheaper”

Compatibility-Overall10%

“not compatible”

Print Quality9%

“poor print quality”

Cartridge Capacity8%

“I'm talking it will only print 6 pages before it throws a fit about being low on ink”

Functionality-Overall8%

“can no longer print”

Durability5%

“Didnt last a week of hardly any printing”

Quality-Overall4%

“Its not quite photo-lab quality”

Color3%

“Colour cartridge did not work”

Connectivity-Overall3%

“Cannot communicate with printer”

Cartridge/Ink Quality2%

“Black cartridge does not work at all”

Top return reasons

Compatibility-Overall28%
Functionality-Overall18%
Ink Refill10%
Size-Overall6%
Connectivity-Overall6%
Print Quality5%
Cartridge/Ink Quality5%
Advertised Vs Actual Product4%
Color3%
Cartridge Capacity3%

Common questions

Is hp 303 ink cartridges black and colour profitable to sell on Amazon United Kingdom?
The niche generates £1.0M/yr across 7 tracked products. 90-day search growth is -27.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the hp 303 ink cartridges black and colour niche?
3 brands and 99 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in hp 303 ink cartridges black and colour?
Top complaints mined from reviews: Value For Money, Compatibility-Overall, Print Quality. The return rate is 0.5%.
What does it cost to enter the hp 303 ink cartridges black and colour niche?
Listings span £14.94–£34.07; the average listing price is £26.49 (sweet spot $15–$100). The average incumbent carries 7,673 reviews — the moat a new listing must climb.