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51

hamilton birthday decorations

Worth a look

Shows no brand lock-in (top 5 brands take 50% of clicks), but a small market ($72K/yr) keeps it on the watch list.

Market size 18Growth 24Conversion 68Competition 74Returns 48Price range 77Avg price 53Brand share 85Review moat 64Quality gap 38

Brand share

Great50%

top-5 brand share — no brand owns this niche

Price range

Great$4.61–$49.98

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

Competition

Good40%

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

Conversion

Good6.2%

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

Review moat

Good932.48

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$12.36

avg listing price — sweet spot $15–$100

Returns

Okay3.2%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-1.8%

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

Market size

Bad$72K

$72K/yr · 94K searches

According to Flapen's Amazon United States niche tracking, hamilton birthday decorations is a $72K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 50% of demand. Verdict: Worth a look — 51/100.

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

hamilton birthday decorations market data

Units sold / yr
5K–6K
avg 0–100/product
Revenue / yr
$62K–$74K
units × avg price
Conversion rate
6.2%
Avg BSR
#3,755
Page quality
0%
Prime
96%
Sponsored
76%
Out of stock
2.2%
Avg brand age
37 months
Avg seller age
207 days

Competition & brand share

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.

Brands

32 falling

Sellers

39

Top-5 brand share

50%

Top 20: 92%

Top-5 click share

40%

Top 20: 80%

Open market

44%

  • QualityLife17%
  • GaofanWaiㅤ10%
  • Vozekrod8%
  • WDSXWH8%
  • DKCTQU7%
  • Pezutoi5%

Demand

Weekly Amazon search volume, last 46 weeks — -1.8% search growth over the last 90 days.
2K2KSpike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

Top hamilton birthday decorations search terms

  • hamilton birthday decorations43K/yr
  • hamilton party decorations20K/yr
  • hamilton decorations10K/yr
  • hamilton birthday9K/yr
  • hamilton party favors6K/yr
  • hamilton party supplies6K/yr
All search terms

Top hamilton birthday decorations 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%$2K6%$4K9%$7K12%$9K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products missing review or click data not plotted

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

What buyers say about hamilton birthday decorations

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

What buyers love

Quality-Overall27%

“Quality was fair”

Advertised Vs Actual Product9%

“exactly what I needed”

Value For Money9%

“Worth it”

Design-Overall7%

“Perfect for the theme of my cake”

Size-Overall7%

“Perfect fit”

Color5%

“The colors are bold”

Adhesion/Stickiness4%

“very cute and adhesive”

Durability4%

“and durable”

Fun/Entertainment Experience3%

“Fun”

Assembly/Installation3%

“Easy setup”

What buyers complain about

Quality-Overall19%

“Terrible quality- they tore off”

Durability17%

“Broke easily”

Adhesion/Stickiness9%

“I didnt use the adhesive because I didnt want it to be sticky because I intend to reuse it”

Size-Overall8%

“The balloons were small”

Strength6%

“Flimsy and falling apart”

Advertised Vs Actual Product4%

“Inaccurate Image”

Color4%

“Received wrong color”

Product Condition3%

“My item was not new”

Value For Money2%

“Not good use of money”

Smell2%

“Slight odor”

Top return reasons

Value For Money20%
Color19%
Size-Overall19%
Advertised Vs Actual Product8%
Quality-Overall6%
Defective Material/Parts4%
Adhesion/Stickiness3%
Material Quality3%
Thin2%
Functionality-Overall1%

Common questions

Is hamilton birthday decorations profitable to sell on Amazon United States?
The niche generates $72K/yr across 46 tracked products. 3 of 18 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (51/100).
How competitive is the hamilton birthday decorations niche?
32 brands and 39 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 50% of demand.
What do buyers complain about in hamilton birthday decorations?
Top complaints mined from reviews: Quality-Overall, Durability, Adhesion/Stickiness. The return rate is 3.2%.
What does it cost to enter the hamilton birthday decorations niche?
Listings span $4.61–$49.98; the average listing price is $12.36 (sweet spot $15–$100). The average incumbent carries 932 reviews — the moat a new listing must climb.