---
title: "Drop N Fill — $6K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/drop-n-fill"
last_updated: "2026-08-10T18:13:27.160Z"
locale: en
meta:
description: "Niche score 33/100 · $6K/yr market · 17K searches/yr · $62.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 33/100 · $6K/yr market · 17K searches/yr · $62.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Drop N Fill — $6K/yr Amazon US Niche (2026) - Flapen"
---
# **drop n fill**
**Skip it**
A small market ($6K/yr) — this niche doesn't clear our bar today.
Market size 1Growth 2Conversion 7Competition 19Returns 73Price range 67Avg price 89Brand share 46Review moat 43Quality gap 72
**Avg price**
**Great****$62.67**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$9.87–$135.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,162.56**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-45.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$6K**
$6K/yr · 17K searches
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, drop n fill is a $6K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Feb–Jun–Dec. Verdict: Skip it — 33/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **drop n fill market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$6K–$16K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#70**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **100%**
- **Out of stock**
- **16.4%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **212 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**34**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**15%**
- DEWAY24% - The Little Hero16% - TERA PUMP14% - FEEDRON12% - Scepter12% - DAXIMMC7% - Open — no brand owns it (3 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 59 weeks — -45.6% search growth over the last 90 days.
2K2KSpike '25Holiday '25Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb, Jun, Dec · busiest ÷ quietest = 31.7×
[**Open Trend **](https://flapen.com/research/us/automotive/drop-n-fill/trend)
## **Top drop n fill search terms**
- **drop n fill**9K/yr-35.2%0.2% conv. - **drop and fill gas tank for boat**6K/yr-52.8%0.5% conv. - **dropnfill**2K/yr-63.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/drop-n-fill/search-terms)
## **Top drop n fill 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%10%$59020%$1K30%$2K40%$2K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Deway Automatic Fuel Transfer Pump with Nozzle for Flow Control & Stop Fits Most Gas Cans Extra Long Hose for Gasoline Diesel Fuel & More**DEWAY**$70.62**4.3★1,743 rev](https://www.amazon.com/dp/B09HR282N2) [2**Preemie Clothes Girl Newborn Baby Boy Clothes | Baby Girl Newborn Essentials | Bamboo Pajamas Baby Onesies | Ultra-Soft NICU-Friendly Two-Way Zipper & Fold-Over Mitts (Sky Blue Preemie Bb 3-5 lbs)**The Little Hero**$33.54**4.7★39 rev](https://www.amazon.com/dp/B0CSXNPQS2) [3**TERA PUMP 5th Gen TRFA01 Fuel Transfer Pump with Overfill Protection**TERA PUMP**$74.53**4.3★7,974 rev](https://www.amazon.com/dp/B010GNM7H4) [4**FEEDRON Automatic Fuel Transfer Pump with Auto-Stop 3.8 Gallon per Min 51 Extra Long Hose Battery or USB Powered 4 Can Adapters Fast and Safe Portable Gas Can Pump for Oil Diesel Gasoline.**FEEDRON**$44.59**4.5★988 rev](https://www.amazon.com/dp/B0DH2RBN55) [5**Scepter Duramax Flo N Go 14 Gallon Gas 53 Liter Portable Fuel Tank and Fuel Transfer Pump with 10-Foot Hose for Lawn Mower Farm Marine Commercial and Home Use Gasoline Only Red**Scepter**$135.96**4.1★7,590 rev](https://www.amazon.com/dp/B000MT94QA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fuel Transfer Pump with Auto Stop-Overfill Protection for Gas Can 4 Gallon per min 51 Overlong Hose Fuel Transfer Pump with 3 Tank Adapter Portable Gas Pump for Gasoline Diesel Oil**DAXIMMC**$36.27**112 rev9mo ago](https://www.amazon.com/dp/B0FMJVQ458) [**Automatic Electric Fuel Transfer Pump with Auto-Stop 3.8GPM & 51 Hose & 4 Size Adapters Gas Can Pump with Leak Protection for Gasoline Diesel Kerosene Gifts for Men Dad Him - 2nd Gen Red Black**VEECAP**$40.85**501 rev11mo ago](https://www.amazon.com/dp/B0FM7RPK1J) [**Multifunctional Liquid Siphon Pump for Gasoline Motor Oil Fuel Diesel Water Fish Tank - 2024 Upgrade With 3.2/6.5/9.8ft Hose (4.9ft)**OFY ONLY FOR YOU**$9.87**238 rev1y ago](https://www.amazon.com/dp/B0DHK46QP8) [**FEEDRON Automatic Fuel Transfer Pump with Auto-Stop 3.8 Gallon per Min 51 Extra Long Hose Battery or USB Powered 4 Can Adapters Fast and Safe Portable Gas Can Pump for Oil Diesel Gasoline.**FEEDRON**$44.59**988 rev1y ago](https://www.amazon.com/dp/B0DH2RBN55) [**Preemie Clothes Girl Newborn Baby Boy Clothes | Baby Girl Newborn Essentials | Bamboo Pajamas Baby Onesies | Ultra-Soft NICU-Friendly Two-Way Zipper & Fold-Over Mitts (Sky Blue Preemie Bb 3-5 lbs)**The Little Hero**$33.54**39 rev2y ago](https://www.amazon.com/dp/B0CSXNPQS2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Preemie Clothes Girl Newborn Baby Boy Clothes | Baby Girl Newborn Essentials | Bamboo Pajamas Baby Onesies | Ultra-Soft NICU-Friendly Two-Way Zipper & Fold-Over Mitts (Sky Blue Preemie Bb 3-5 lbs)**The Little Hero**$33.54**4.7★**▲ 169%**](https://www.amazon.com/dp/B0CSXNPQS2) [**FEEDRON Automatic Fuel Transfer Pump with Auto-Stop 3.8 Gallon per Min 51 Extra Long Hose Battery or USB Powered 4 Can Adapters Fast and Safe Portable Gas Can Pump for Oil Diesel Gasoline.**FEEDRON**$44.59**4.5★**▲ 105%**](https://www.amazon.com/dp/B0DH2RBN55) [**GAOMON Fuel Caddy 15 Gallon Portable Gas Fuel Tank Container with LE Fluid Transfer Siphon Pump and 10ft. Delivery Hose Diesel Storage Can On-Wheels for Cars Lawn Mowers ATVs Boats**GAOMON**$117.79**4.2★**▲ 75%**](https://www.amazon.com/dp/B0CFPVCD5C) [**Multifunctional Liquid Siphon Pump for Gasoline Motor Oil Fuel Diesel Water Fish Tank - 2024 Upgrade With 3.2/6.5/9.8ft Hose (4.9ft)**OFY ONLY FOR YOU**$9.87**3.8★**▲ 29%**](https://www.amazon.com/dp/B0DHK46QP8) [**Fuel Transfer Pump with Auto Stop-Overfill Protection for Gas Can 4 Gallon per min 51 Overlong Hose Fuel Transfer Pump with 3 Tank Adapter Portable Gas Pump for Gasoline Diesel Oil**DAXIMMC**$36.27**4.6★**▲ 13%**](https://www.amazon.com/dp/B0FMJVQ458)
**~~View all trending →~~**
## **What buyers say about drop n fill**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**16%
*“Ease of use”*
**Fuel Efficiency**15%
*“great gas can pump”*
**Advertised Vs Actual Product**10%
*“it works as expected”*
**Quality-Overall**9%
*“Very good as advertised”*
**Efficiency**8%
*“It works great”*
**Value For Money**5%
*“Pretty good product for the price”*
**Leak-Proof**5%
*“no more spills”*
**Pressure**5%
*“Very good pump”*
**Battery Life**3%
*“Great battery life and features”*
**Ease Of Cleaning**3%
*“Clean”*
### **What buyers complain about **
**Leak-Proof**15%
*“Cans/ jugs can leak”*
**Durability**11%
*“Broke after a handful of uses”*
**Quality-Overall**11%
*“Poor quality”*
**Size-Overall**9%
*“No fit”*
**Functionality-Overall**6%
*“It does not work hardly at all”*
**Value For Money**5%
*“Waste of money”*
**Advertised Vs Actual Product**4%
*“Very misleading”*
**Ease Of Use**3%
*“Will not fit most car applications -very high-effort to use”*
**Battery Life**2%
*“Not battery powered”*
**Strength**2%
*“Very basic and flimsy”*
### **Top return reasons **
**Size-Overall**34%
**Advertised Vs Actual Product**16%
**Functionality-Overall**12%
**Compatibility-Overall**10%
**Leak-Proof**4%
**Defective Material/Parts**3%
**Quality-Overall**2%
**Value For Money**2%
**Durability**1%
**Suction**1%
## **Common questions**
- **Is drop n fill profitable to sell on Amazon United States?**
- The niche generates $6K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -45.6%. Flapen's verdict: Skip it (33/100).
- **How competitive is the drop n fill niche?**
- 9 brands and 34 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in drop n fill?**
- Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 2.1%.
- **When does demand for drop n fill peak?**
- Demand peaks in Feb–Jun–Dec; the busiest month runs 31.7× the quietest.
- **What does it cost to enter the drop n fill niche?**
- Listings span $9.87–$135.96; the average listing price is $62.67 (sweet spot $15–$100). The average incumbent carries 2,163 reviews — the moat a new listing must climb.
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