only murders in the building
Skip itA small market ($10K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible33.5avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$24.34avg listing price — sweet spot $15–$100
Price range
Great$12.96–$64.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Bad-5.1%90-day search growth — must beat 0% to launch
Brand share
Bad91%top-5 brand share — brand-locked demand
Competition
Bad80%top-5 click share — a locked-up shelf
Market size
Bad$10K$10K/yr · 204K searches
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, only murders in the building is a $10K/yr Amazon United States market (204K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 36/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
only murders in the building market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $30K–$37K
- units × avg price
- Conversion rate
- 0.2%
- Avg BSR
- #57,517
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 64%
- Out of stock
- 0.0%
- Avg brand age
- 33 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 flat
Sellers
12
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
4%
- G2TUP34%
- only murders in the building33%
- FUNKO GAMES11%
- BWWKTOP7%
- Bioworld5%
- LEVLO4%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 93 weeks — -5.1% search growth over the last 90 days.Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 5.1×
Top only murders in the building search terms
- only murders in the building114K/yr
- only murders44K/yr
- only murders in the building merch22K/yr
- murders in the building10K/yr
- murder in the building6K/yr
- only murder in the building4K/yr
- only murders in the building merchandise4K/yr
Top only murders in the building 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
G2TUP Arconia Tote Bag Mabel & Oliver & Charles Fans Gift Arconias Inspired Shoulder Bag Oliver Merchandise (Arconia TG)
G2TUP$12.964.6★23 rev
only murders in the building Podcast Logo Tie Dye Hoodie As Seen On Show Officially Licensed Hooded Sweatshirt Large
only murders in the building$64.884.4★79 rev
Only Murders in The Building Game
FUNKO GAMES$17.354.5★143 rev
only murders in the building Podcast Logo Tie Dye Hoodie As Seen On Show Officially Licensed Hooded Sweatshirt X-Large
only murders in the building$64.624.4★79 rev
BWWKTOP Murders Building Crossbody Bag Arconia & Mabel Fans Gift Oliver & Charles Shoulder Bag Only Murders Merch (Arconi-XK B)
BWWKTOP$14.954.7★4 rev
Newest
by launch date
Only Murders in the Building Arconia NYC Officially Licensed T-Shirt
Hulu$19.270 rev
BWWKTOP Murders Building Crossbody Bag Arconia & Mabel Fans Gift Oliver & Charles Shoulder Bag Only Murders Merch (Arconi-TG)
BWWKTOP$14.964 rev
BWWKTOP Murders Building Crossbody Bag Arconia & Mabel Fans Gift Oliver & Charles Shoulder Bag Only Murders Merch (Arconi-XK B)
BWWKTOP$14.954 rev
LEVLO Arconia Windows Tote Bag Only Murders Inspired Gift Kono & Mabel & Oliver & Charles Shoulder Bag For TV Show Fans (Arconia Windows LT)
LEVLO$19.1711 rev
G2TUP Arconia Tote Bag Arconia & Mabel & Oliver & Charles Fans Gift Only Murders Inspired Shoulder Bag Arconia Merch (Arconia BL TG)
G2TUP$15.7323 rev
Trending
90-day click momentumOnly Murders in the Building Arconia NYC Officially Licensed T-Shirt
Hulu$19.270.0★
Only Murders in The Building Podcast Logo Crew Neck Short Sleeve Womens Black T-shirt-3XL
Bioworld$21.280.0★
EVERTREE Clothing Murder Shows and Comfy Clothes Shirt Unisex Womens Mens Shirt True Crime Lover Shirt Crime Junkie Heather Sunset X-Large
Generic$20.914.6★
Only Murders in The Building Podcast Logo Crew Neck Short Sleeve Womens Black T-Shirt-XL
Bioworld$19.990.0★
only murders in the building Podcast Logo Tie Dye Hoodie As Seen On Show Officially Licensed Hooded Sweatshirt Large
only murders in the building$64.884.4★
What buyers say about only murders in the building
What buyers praise and complain about, mined from review topics.What buyers love
“Great game”
“Good fit”
“This is some EXTREMELY high quality merchandise”
“The material just got softer and more comfortable, not thinner, and the decal is as fresh and bright as the day I got it”
“Great thing is one can play more than once which makes it a real buy compared to other mystery games”
“The instructions were good”
“Comfortable Shirt”
“fun details in the game-play design”
“This is a very comfortable t shirt that has held up well through many washes”
“It would be great for teaching logic”
What buyers complain about
“Not as big as I was hoping”
“Still shrunk”
Top return reasons
Common questions
- Is only murders in the building profitable to sell on Amazon United States?
- The niche generates $10K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -5.1%. Flapen's verdict: Skip it (36/100).
- How competitive is the only murders in the building niche?
- 8 brands and 12 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in only murders in the building?
- Top complaints mined from reviews: Size-Overall, Shrinkage Resistance. The return rate is 2.1%.
- When does demand for only murders in the building peak?
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 5.1× the quietest.
- What does it cost to enter the only murders in the building niche?
- Listings span $12.96–$64.88; the average listing price is $24.34 (sweet spot $15–$100). The average incumbent carries 34 reviews — the moat a new listing must climb.