overnight
Skip itA deep review moat (27,054 avg reviews) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$16.46avg listing price — sweet spot $15–$100
Price range
Great$4.06–$47.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good73%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$116K$116K/yr · 547K searches
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Growth
Bad-10.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Review moat
Bad27,053.83avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, overnight is a $116K/yr Amazon United States market (547K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 39/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
overnight market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $132K–$165K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #28
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 43 months
- Avg seller age
- 130 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
560
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
24%
- HOTOR26%
- TheraBreath23%
- TANSTC17%
- eos4%
- Gwabee4%
- Dr. Scholl's3%
Demand & seasonality
Weekly Amazon search volume, last 93 weeks — -10.2% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 1.7×
Top overnight search terms
- overnight502K/yr
- over night19K/yr
- therabreath overnight mouthwash7K/yr
- therabreath mouthwash overnight5K/yr
- therabreath overnight4K/yr
- overnigh4K/yr
- over ight3K/yr
- overnight mouthwash3K/yr
Top overnight 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
HOTOR Travel Duffel Bag - Weekender Bags for Women Gym Tote Bags with Shoe Compartment Carry On Overnight Bag with Toiletry Bag for Travel Essentials and Travel Accessories Black 13.417.37.9
HOTOR$15.524.6★1,536 rev
TheraBreath Overnight Mouthwash Fights Bad Breath for 12 Hours Chamomile Mint Flavor Dentist Formulated Fluoride Rinse Alcohol Free 16 fl oz (Pack of 2)
TheraBreath$17.144.7★1,575 rev
TANSTC Overnight Menstrual Underwear Women Heavy Flow Leakproof Cotton Hipster Briefs 3 Pack Dark Color L
TANSTC$24.434.1★3,003 rev
TheraBreath AM + PM Mouthwash Bundle 16 fl oz 2-Pack
TheraBreath$16.074.8★268 rev
eos The Hero Lip Repair Extra Dry Lip Treatment 24HR Moisture Overnight Lip Treatment Natural Strawberry Extract 0.35 fl oz
eos$4.064.6★8,506 rev
Newest
by launch dateTheraBreath AM + PM Mouthwash Bundle 16 fl oz 2-Pack
TheraBreath$16.07268 rev
Travel Weekender Bags for Women - Duffle Bag Women with Shoe Compartment Carry On Overnight Bag with Toiletry Bag Duffel Bags with Wet Pocket for Gym Hospital Bags for Labor and Delivery Pink
Focdod$25.25423 rev
HOTOR Travel Duffel Bag - Weekender Bags for Women Gym Tote Bags with Shoe Compartment Carry On Overnight Bag with Toiletry Bag for Travel Essentials and Travel Accessories Black 13.417.37.9
HOTOR$15.521,536 rev
4 Pack Overnight Oats Containers with Lids and Spoons 16 oz Glass Mason Jars with Airtight Lids Overnight Oats Jars for Milk Cereal Fruit
LANDNEOO$19.633,299 rev
TANSTC Overnight Menstrual Underwear Women Heavy Flow Leakproof Cotton Hipster Briefs 3 Pack Dark Color L
TANSTC$24.433,003 rev
Trending
90-day click momentumHOTOR Travel Duffel Bag - Weekender Bags for Women Gym Tote Bags with Shoe Compartment Carry On Overnight Bag with Toiletry Bag for Travel Essentials and Travel Accessories Black 13.417.37.9
HOTOR$15.524.6★
TANSTC Overnight Menstrual Underwear Women Heavy Flow Leakproof Cotton Hipster Briefs 3 Pack Dark Color L
TANSTC$24.434.1★
Bambody Absorbent Period Panties - Bamboo Rayon - Period Underwear for Women and Teens - All-Day Long - Overnight Protection- Leakproof - Large - 3 Pack: Black
Bambody$34.354.4★
Travel Weekender Bags for Women - Duffle Bag Women with Shoe Compartment Carry On Overnight Bag with Toiletry Bag Duffel Bags with Wet Pocket for Gym Hospital Bags for Labor and Delivery Pink
Focdod$25.254.8★
Wildroad Waxed Canvas Duffle Bag - 50L Waterproof Weekender Overnight Travel Bag
Wildroad$47.664.7★
What buyers say about overnight
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality the prices is affordable —I recommend this product”
“Super hydrating”
“And soft”
“Good for my sensitive skin”
“They are affordable”
“It definitely works extremely well for dry skin”
“easy to carry”
“Always delicious”
“As advertised”
“Glowing Skin”
What buyers complain about
“ALLERGIC REACTION”
“They are small”
“Too expensive”
“breaks apart”
“Wipes are barely moist”
“Did not work”
“Difficult to use”
“Baby stains”
“Poor quality control”
“It is thicker starting out”
Top return reasons
Common questions
- Is overnight profitable to sell on Amazon United States?
- The niche generates $116K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.2%. Flapen's verdict: Skip it (39/100).
- How competitive is the overnight niche?
- 17 brands and 560 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in overnight?
- Top complaints mined from reviews: Allergies, Size-Overall, Value For Money. The return rate is 0.5%.
- When does demand for overnight peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the overnight niche?
- Listings span $4.06–$47.66; the average listing price is $16.46 (sweet spot $15–$100). The average incumbent carries 27,054 reviews — the moat a new listing must climb.