Is in my birthday era profitable to sell on Amazon United States?

The niche generates $42K/yr across 30 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -16.3%. Flapen's verdict: Skip it (49/100).

How competitive is the in my birthday era niche?

29 brands and 31 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 49% of demand.

What do buyers complain about in in my birthday era?

Top complaints mined from reviews: Size-Overall, Adhesion/Stickiness, Material Quality. The return rate is 3.1%.

When does demand for in my birthday era peak?

Demand peaks in Jan–Sep–Oct; the busiest month runs 2.5× the quietest.

What does it cost to enter the in my birthday era niche?

Listings span $4.97–$29.33; the average listing price is $16.13 (sweet spot $15–$100). The average incumbent carries 111 reviews — the moat a new listing must climb.

in my birthday era

Skip it

A small market ($42K/yr) — this niche doesn't clear our bar today.

Review moat

Great110.9

avg incumbent reviews — the moat a new listing must climb

Brand share

Great49%

top-5 brand share — no brand owns this niche

Avg price

Great$16.13

avg listing price — sweet spot $15–$100

Conversion

Good5.2%

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

Competition

Good49%

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

Price range

Good$4.97–$29.33

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.1%

return rate — above 5% kills the launch gate

Growth

Bad-16.3%

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

Market size

Bad$42K

$42K/yr · 50K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, in my birthday era is a $42K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jan–Sep–Oct. Verdict: Skip it — 49/100.

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

in my birthday era market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $24K–$32K; units × avg price
Conversion rate: 5.2%
Avg BSR: #2,070
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 17.8%
Avg brand age: 22 months
Avg seller age: 194 days

Competition & brand share

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

Brands

29 falling

Sellers

Top-5 brand share

49%

Top 20: 90%

Top-5 click share

49%

Top 20: 89%

Open market

45%

WZTYYDS15%
Glamoncha14%
Merrivo8%
lawfly6%
xo, Fetti6%
cocomigo5%

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -16.3% search growth over the last 90 days.

Peak months: Jan, Sep, Oct · busiest ÷ quietest = 2.5×

Open Trend

Top in my birthday era search terms

in my birthday era decorations22K/yr -21.4%1.7% conv.
in my birthday era10K/yr +5.0%2.3% conv.
birthday era decorations7K/yr -27.6%0.8% conv.
birthday era5K/yr -17.3%1.3% conv.
in my birthday era banner4K/yr -13.6%4.5% conv.
birthday era banner1K/yr -11.9%2.3% conv.
eras birthday decorations343/yr -63.6%0.0% conv.

All search terms

Top in my birthday era 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

WZTYYDS Baby Girl First Birthday Outfit In My One Year Old Era Top Short Sleeve 1st Birthday Shirt + Casual Shorts Set (Pink 12-18 Months)

WZTYYDS$14.214.7★507 rev

Pre-strung Friendship Bracelet Birthday Banner In My Birthday Era Banner for Singer Birthday Party Decorations

Glamoncha$9.534.7★75 rev

Iridescent In My Birthday Era Banner Pre-Strung Fun Birthday Decorations supplies Vibrant Cute Party Sign with Aurora Rainbow & flames Effects

Merrivo$5.514.8★364 rev

In My Birthday Era Banner Friendship Bracelet Garland for Singer Bday Party

lawfly$13.284.8★217 rev

xo Fetti In My Birthday Era Banner 5 Ft | Birthday Party Decoration Bday Photo Booth Backdrop HBD Sign Friendship Bracelet Supplies

xo, Fetti$12.784.4★86 rev

Newest

by launch date

Birthday Decorations for Women Fringe Curtains Happy Birthday Banner Red balloons Cake Toppers (Iridescent)

jenmir$12.19251 rev

2mo ago

In My Birthday Era Birthday Decorations Party Supplies Girls Party Favors Balloons Banner Cake Topper Cupcake Toppers Balloons Plates Cups Forks Straws Napkins Tablecloth Hanging Swirls Stuff Merch

Thunger Fun$19.442 rev

8mo ago

Xronslute In My Birthday Era Banner Friends Singer Birthday For Party FavorsParty Decorations Bday Photo Booth Backdrop

XronSlute$9.1812 rev

9mo ago

SANIXJOO in My Double Digits Era Shirts Girls 10th Birthday Tee Tops 10 Years Old Birthday Party Short Sleeve Summer T-Shirts(Purple Tie Dye 10 Years)

SANIXJOO$16.9298 rev

10mo ago

Vanblue 84 Pcs Friendship Popular Singer Party Favors Era Party Birthday Decorations Supplies Bulk Bracelet Disco Keychain Goodies Bags Stuffers Friendship Gifts for Fans Girls

Vanblue$26.7520 rev

1y ago

What buyers say about in my birthday era

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

What buyers love

Quality-Overall22%

“they were very detailed with a nice variety”

Size-Overall14%

“Fits perfectly”

Value For Money9%

“Good value for money”

Ease Of Use7%

“pretty easy”

Color7%

“The colors are beautiful”

Advertised Vs Actual Product7%

“Better than described”

Fun/Entertainment Experience5%

“Fun”

Assembly/Installation5%

“Super easy to assemble and so, so, cute”

Material Quality3%

“the material was so comfy”

Soft Feel3%

“Soft”

What buyers complain about

Size-Overall25%

“Sizes are a bit off”

Adhesion/Stickiness12%

“before you add the letters to them or else nothing will stick”

Material Quality8%

“Not at all what I expected material is clingy”

Inflation/Deflation6%

“they started deflating by the next day”

Advertised Vs Actual Product5%

“Its frustrating the item arrived like in the picture”

Color5%

“Not brightly colored like photo”

Value For Money5%

“Not worth the price for what was paid”

Strength4%

“was very flimsy”

Instructions/User Manual/Troubleshooting3%

“no instructions on how to put it together”

Assembly/Installation3%

“It was really hard to put together”

Top return reasons

Size-Overall54%

Material Quality6%

Advertised Vs Actual Product6%

Length6%

Quality-Overall5%