Is costway portable washing machine profitable to sell on Amazon United States?

The niche generates $139K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +4.7%. Flapen's verdict: Skip it (39/100).

How competitive is the costway portable washing machine niche?

3 brands and 17 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in costway portable washing machine?

Top complaints mined from reviews: Durability, Size-Overall, Leak-Proof. The return rate is 1.4%.

When does demand for costway portable washing machine peak?

Demand peaks in Sep; the busiest month runs 1.5× the quietest.

What does it cost to enter the costway portable washing machine niche?

Listings span $78.36–$312.68; the average listing price is $177.78 (sweet spot $15–$100). The average incumbent carries 1,343 reviews — the moat a new listing must climb.

costway portable washing machine

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Great1.4%

return rate — above 5% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good1,343.47

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$177.78

avg listing price — sweet spot $15–$100

Competition

Okay62%

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

Market size

Okay$139K

$139K/yr · 62K searches

Growth

Okay+4.7%

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

Conversion

Bad1.3%

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

Price range

Bad$78.36–$312.68

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, costway portable washing machine is a $139K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep. Verdict: Skip it — 39/100.

Data updated Jul 5, 2026 · scored weekly · How we score niches

costway portable washing machine market data

Units sold / yr: 500–750; avg 0–100/product
Revenue / yr: $89K–$133K; units × avg price
Conversion rate: 1.3%
Avg BSR: #120
Page quality: 0%
Prime: 24%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 27 months
Avg seller age: 182 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

COSTWAY92%
Auertech6%
BLACK+DECKER2%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 108 weeks — +4.7% search growth over the last 90 days.

Peak months: Sep · busiest ÷ quietest = 1.5×

Open Trend

Top costway portable washing machine search terms

costway portable washing machine50K/yr +3.3%1.1% conv.
costway portable washer5K/yr -4.4%0.6% conv.
costway washing machine5K/yr +14.4%0.7% conv.
costway washer2K/yr +39.7%1.4% conv.

All search terms

Top costway portable washing machine 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

COSTWAY Portable Washing Machine 12Lbs Washer and 8Lbs Spinner Blue+White

COSTWAY$141.494.3★2,322 rev

COSTWAY Portable Washing Machine 8Lbs Capacity Full-automatic Washer with 6 Wash Programs LED Display 3 Water Levels Compact Laundry Washer and Dryer Combo for Home Apartment Dorm RVs

COSTWAY$218.084.4★229 rev

COSTWAY Portable Washing Machine Twin Tub 26 Lbs Capacity 18 Lbs Washer and 8 Lbs Spinner Compact Washer with Control Knobs Timer Function Drain Pump Laundry washer for Apartment RV Blue

COSTWAY$161.364.3★465 rev

COSTWAY Portable Washing Machine Twin Tub 26lbs Capacity Laundry Washer 18lbs Washer and 8lbs Spinner Combo with Timer Knobs Built-in Drain Pump Compact Washer for Home Dorm Apartment Blue+White

COSTWAY$169.174.0★562 rev

COSTWAY Portable Washing Machine 2-in-1 Laundry Washer and Spin Combo with 10 Programs 8.8lbs Capacity Drain Pump and LED Display Full Automatic Washer for Apartment RVs Dorm Grey

COSTWAY$221.204.4★415 rev

Newest

by launch date

COSTWAY 20Lbs Portable Washing Machine with Built-in Drain Pump Black

COSTWAY$137.6524 rev

3mo ago

COSTWAY Portable Washing Machine Twin Tub 20Lbs Capacity Compact Laundry Washer(12Lbs) and Spinner(8Lbs) Durable Design for Apartment Dorm RV Blue+White

COSTWAY$136.581,583 rev

10mo ago

COSTWAY Mini Portable Washing Machine 5.5 lbs Capacity Compact Laundry Washer with Spin Tub & Drain Hose Perfect for Apartment Dorms RV Home (Blue)

COSTWAY$78.36113 rev

1y ago

COSTWAY Mini Portable Washing Machine 5.5 lbs Capacity Compact Laundry Washer with Spin Tub & Drain Hose Perfect for Apartment Dorms RV Home (Grey)

COSTWAY$78.46113 rev

1y ago

COSTWAY Portable Washing Machine 12Lbs Washer and 8Lbs Spinner Grey+White

COSTWAY$139.912,322 rev

2y ago

What buyers say about costway portable washing machine

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

What buyers love

Ease Of Cleaning17%

“It cleans great”

Quality-Overall11%

“Great quality”

Value For Money10%

“Worth Every Penny”

Ease Of Use9%

“Easy to function”

Advertised Vs Actual Product7%

“Works as advertised”

Size-Overall6%

“The size is compact”

Durability4%

“Seems durable”

Strength4%

“This machine is strong”

Weight Light3%

“Light weight good little machine”

Portability3%

“Great portable unit”

What buyers complain about

Durability16%

“Didnt last”

Size-Overall12%

“it doesn't fit anything”

Leak-Proof9%

“came with washer it leaks”

Functionality-Overall7%

“Doesn't work well”

Noise Level6%

“Kinda loud”

Ease Of Cleaning4%

“This washer is rife with problems of all kinds”

Value For Money4%

“it turned out to be a waste of money”

Ease Of Use3%

“hard to move”

Quality-Overall3%

“I don't believe these positive feedbacks”

Water Resistance3%

“the product itself was wet inside the box”

Top return reasons

Size-Overall39%

Functionality-Overall15%

Defective Material/Parts7%

Leak-Proof7%

Advertised Vs Actual Product6%

Noise Level5%

Connectivity-Overall2%

Compatibility-Overall2%

Water Resistance2%

Storage Capacity2%

Common questions

Is costway portable washing machine profitable to sell on Amazon United States?: The niche generates $139K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +4.7%. Flapen's verdict: Skip it (39/100).
How competitive is the costway portable washing machine niche?: 3 brands and 17 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in costway portable washing machine?: Top complaints mined from reviews: Durability, Size-Overall, Leak-Proof. The return rate is 1.4%.
When does demand for costway portable washing machine peak?: Demand peaks in Sep; the busiest month runs 1.5× the quietest.
What does it cost to enter the costway portable washing machine niche?: Listings span $78.36–$312.68; the average listing price is $177.78 (sweet spot $15–$100). The average incumbent carries 1,343 reviews — the moat a new listing must climb.