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47

dayquil and nyquil pack liquid

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Soft demand (-37.4% this quarter) — this niche doesn't clear our bar today.

Market size 35Growth 6Conversion 95Competition 60Returns 100Price range 65Avg price 75Brand share 23Review moat 30Quality gap 16

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Incredible12.1%

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

Avg price

Great$15.06

avg listing price — sweet spot $15–$100

Price range

Good$4.83–$34.09

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

Competition

Good49%

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

Market size

Okay$173K

$173K/yr · 95K searches

Review moat

Okay3,547.87

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad91%

top-5 brand share — brand-locked demand

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-37.4%

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

Competition

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

92

Top-5 brand share

91%

Open market

6%

  • Vicks36%
  • Amazon Basics23%
  • Amazon Basic Care21%
  • Mucinex6%
  • Theraflu5%
  • Tylenol4%
  • Open — no brand owns it (2 brands, 6%)

Product shelf

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

0%3%$5K6%$10K9%$16K12%$21K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 31 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — -37.4% search growth over the last 90 days.
30K20KSpike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Sep, Oct, Nov, Dec · busiest ÷ quietest = 22.5×

Reviews

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

What buyers love

Value For Money17%

“Great deal”

Cold Relief13%

“Great for severe cold”

Efficiency12%

“Works well”

Quality-Overall9%

“Best quality”

Advertised Vs Actual Product8%

“as pictured”

Cough Relief7%

“Stops the Cough”

Sleep Quality6%

“helps me sleep”

Taste-Overall4%

“I also like that it doesnt leave a terrible aftertaste”

Flavor2%

“Decent flavor too”

Fever Relief2%

“Flu liquid is strong to give me relief of fever”

What buyers complain about

Taste-Overall26%

“Tastes Bad”

Cough Relief8%

“not that good for a bad cough”

Functionality-Overall5%

“This hardly works at all”

Value For Money4%

“Waste of money”

Size-Overall4%

“Small bottles”

Flavor4%

“unfortunately the flavor is rather off-putting”

Sleep Quality3%

“I can't vouch for the nighttime”

Smell3%

“actually smells a little bit like urine”

Quality-Overall2%

“This will be my last month for lesser quality”

Dosage2%

“Figuring out the dosage was difficult”

Top return reasons

Leak-Proof100%