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baby billy

Skip it

A small market ($21K/yr) — this niche doesn't clear our bar today.

Market size 5Growth 18Conversion 15Competition 83Returns 88Price range 86Avg price 95Brand share 31Review moat 85Quality gap 15

Avg price

Incredible$23.74

avg listing price — sweet spot $15–$100

Returns

Great1.4%

return rate — above 5% kills the launch gate

Price range

Great$9.30–$59.70

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

Review moat

Great298.31

avg incumbent reviews — the moat a new listing must climb

Competition

Great32%

top-5 click share — an open shelf

Brand share

Okay86%

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

Growth

Bad-14.2%

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

Conversion

Bad1.2%

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

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Market size

Bad$21K

$21K/yr · 75K searches

According to Flapen's Amazon United States niche tracking, baby billy is a $21K/yr Amazon United States market (75K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jun–Dec. Verdict: Skip it — 44/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

baby billy market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$12K–$18K
units × avg price
Conversion rate
1.2%
Avg BSR
#141,483
Page quality
0%
Prime
33%
Sponsored
51%
Out of stock
8.6%
Avg brand age
38 months
Avg seller age
155 days

Competition & brand share

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

Brands

13 rising

Sellers

14

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

32%

Top 20: 72%

Open market

10%

  • Donkey Tees45%
  • The Righteous Gemstones20%
  • DARGLO11%
  • Generic7%
  • Tretdaity4%
  • Black Rabbit3%
  • Open — no brand owns it (7 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 60 weeks — -14.2% search growth over the last 90 days.
10K6KHoliday '25Spike '26JunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun, Dec · busiest ÷ quietest = 5.5×

Top baby billy search terms

  • baby billy t shirt23K/yr
  • baby billy21K/yr
  • uncle baby billy14K/yr
  • uncle baby billy shirt9K/yr
  • baby billy shirt6K/yr
  • baby billy bible bonkers shirt2K/yr
All search terms

Top baby billy 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%3%$6386%$1K9%$2K12%$3K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about baby billy

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

What buyers love

Size-Overall46%

“Very comfortable fit”

Print Quality13%

“print was good quality”

Thickness13%

“baby Billy is funny af shirt was decent quality thick”

Comfort-Overall13%

“Very comfortable”

Advertised Vs Actual Product8%

“Just like the picture”

What buyers complain about

Size-Overall50%

“Runs a little small”

Print Quality17%

“None of the print came off the first time we washed it”

Top return reasons

Size-Overall68%
Length9%
Material Quality7%
Sleeve Fit6%
Print Quality4%
Quality-Overall4%
Collar Quality3%
Shrinkage Resistance1%
Shape/Style1%

Common questions

Is baby billy profitable to sell on Amazon United States?
The niche generates $21K/yr across 51 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -14.2%. Flapen's verdict: Skip it (44/100).
How competitive is the baby billy niche?
13 brands and 14 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in baby billy?
Top complaints mined from reviews: Size-Overall, Print Quality. The return rate is 1.4%.
When does demand for baby billy peak?
Demand peaks in Jun–Dec; the busiest month runs 5.5× the quietest.
What does it cost to enter the baby billy niche?
Listings span $9.30–$59.70; the average listing price is $23.74 (sweet spot $15–$100). The average incumbent carries 298 reviews — the moat a new listing must climb.