Is bill cipher profitable to sell on Amazon United States?

The niche generates $108K/yr across 41 tracked products. 2 of 10 products launched in the last 360 days are still selling. 90-day search growth is -2.8%. Flapen's verdict: Worth a look (51/100).

How competitive is the bill cipher niche?

19 brands and 77 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in bill cipher?

Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Color. The return rate is 1.6%.

When does demand for bill cipher peak?

Demand peaks in Oct–Nov–Dec; the busiest month runs 3.5× the quietest.

What does it cost to enter the bill cipher niche?

Listings span $5.97–$122.82; the average listing price is $24.09 (sweet spot $15–$100). The average incumbent carries 221 reviews — the moat a new listing must climb.

bill cipher

Worth a look

Shows a sweet-spot price point ($24.09 avg), but weak search conversion (1.6%) keeps it on the watch list.

Avg price

Incredible$24.09

avg listing price — sweet spot $15–$100

Review moat

Great221.2

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.6%

return rate — above 5% kills the launch gate

Competition

Great35%

top-5 click share — an open shelf

Price range

Good$5.97–$122.82

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

Brand share

Good74%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Okay$108K

$108K/yr · 279K searches

Growth

Bad-2.8%

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

Conversion

Bad1.6%

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

According to Flapen's Amazon United States niche tracking, bill cipher is a $108K/yr Amazon United States market (279K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Worth a look — 51/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

bill cipher market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: $120K–$145K; units × avg price
Conversion rate: 1.6%
Avg BSR: #19,333
Page quality: 0%
Prime: 85%
Sponsored: 59%
Out of stock: 9.9%
Avg brand age: 40 months
Avg seller age: 161 days

Competition & brand share

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

19 falling

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

35%

Top 20: 80%

Open market

20%

EIKOU22%
Funko18%
Disney15%
Generic12%
electricitees6%
onederbkk6%

Demand & seasonality

Weekly Amazon search volume, last 95 weeks — -2.8% search growth over the last 90 days.

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 3.5×

Open Trend

Top bill cipher search terms

gravity falls merch104K/yr -0.3%0.9% conv.
gravity falls shirt32K/yr +20.1%1.0% conv.
gravity falls funko pop31K/yr -12.1%0.7% conv.
gravity falls toys32K/yr -4.1%1.0% conv.
gravity falls plush17K/yr -14.1%0.8% conv.
waddles gravity falls12K/yr +3.5%1.7% conv.
gravity fall7K/yr -2.7%0.0% conv.
funko pop gravity falls9K/yr -15.8%0.7% conv.
gravity falls stuff6K/yr +5.6%0.3% conv.
gravity falls figures5K/yr +10.4%0.5% conv.

All search terms

Top bill cipher 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

EIKOU Gravity Falls Meshback Hat Blue Dippers Hat Pine Embroidered Baseball Cap with Mystery Pendant Adjustable Costume Hat for Teens and Adults Halloween Party

EIKOU$16.894.5★565 rev

Gravity Bill Falls Cipher Black T Shirt (Small)

electricitees$9.984.6★145 rev

Gravity House Building Sets Mystery Falls Building Toys Compatible with Lego for Adults Birthday Gifts for Kids 1030pcs

onederbkk$42.704.5★149 rev

Funko Gravity Falls POP! Animation Dipper Pines Vinyl Figure #240 [Regular Version] Styles May Vary Multicolor Standard (12373)

Funko$19.334.9★2,579 rev

EIKOU Gravity Falls Hat Blue Dippers Hat Pine Embroidered Baseball Cap with Mystery Pendant Adjustable Costume Hat for Teens and Adults Halloween Party

EIKOU$17.094.6★967 rev

Newest

by launch date

World And Space Gravity Falls Hoodies Bill Cipher Art Sweatshirt Hoodies (US Alpha X-Large Regular Regular T-SHIRT BLACK)

Generic$18.936 rev

6mo ago

Funko Gravity Falls Bill Cipher Glow in The Dark Pop Exclusive Vinyl Figure 1637

Funko$26.902 rev

7mo ago

Disney Gravity Falls SOOS Mystery Shack Question Mark Logo T-Shirt

Disney$19.2418 rev

8mo ago

VIYRDOK Waddles Plush Gravity Pink Pig with Pendant Cute Merch Animal for Kids Adult Falls Gift Halloween

VIYRDOK$20.8718 rev

10mo ago

50pcs Cartoon Gravity Falls Stickers for Kids Vinyl Waterproof Decal for Water Bottle Laptop Toy Sticker for DIY Decorate Bumper Phone Hard Hat Kids Teens Gifts (White)

Meet Holiday$6.1360 rev

11mo ago

What buyers say about bill cipher

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

What buyers love

Quality-Overall26%

“The plush itself is great quality”

Size-Overall10%

“fit perfectly”

Fun/Entertainment Experience7%

“Fun and Faithful”

Gifting Purpose7%

“As photo shows cute gift”

Advertised Vs Actual Product6%

“As expected”

Adhesion/Stickiness5%

“Nice stickers”

Value For Money4%

“Great set for the price”

Durability4%

“stands up just fine on its own”

Collectibles4%

“I still haven't taken it out the box yet because it's a collectors item for me”

Material Quality4%

“Very nice material”

What buyers complain about

Size-Overall30%

“Roof doesn't fit”

Advertised Vs Actual Product11%

“I feel like thats intentionally misleading and scam-ish”

Color8%

“Kinda ugly color”

Strength5%

“Hat is very flimsy”

Adhesion/Stickiness4%

“You cant stick them to anything”

Value For Money4%

“I paid $18.99 and I do wish he was cheaper”

Hard Feel4%

“A little harder then expected”

Durability4%

“Pieces are constantly falling off”

Print Quality4%

“Bad Print Quality”

Fun/Entertainment Experience4%

“not so great for kids that want to play with it”

Top return reasons

Size-Overall45%

Advertised Vs Actual Product14%

Value For Money9%

Color4%

Quality-Overall4%

Defective Material/Parts4%

Gifting Purpose4%

Stitch/Finish/Polish2%

Adhesion/Stickiness2%

Shape/Style2%

Common questions

Is bill cipher profitable to sell on Amazon United States?: The niche generates $108K/yr across 41 tracked products. 2 of 10 products launched in the last 360 days are still selling. 90-day search growth is -2.8%. Flapen's verdict: Worth a look (51/100).
How competitive is the bill cipher niche?: 19 brands and 77 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in bill cipher?: Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Color. The return rate is 1.6%.
When does demand for bill cipher peak?: Demand peaks in Oct–Nov–Dec; the busiest month runs 3.5× the quietest.
What does it cost to enter the bill cipher niche?: Listings span $5.97–$122.82; the average listing price is $24.09 (sweet spot $15–$100). The average incumbent carries 221 reviews — the moat a new listing must climb.