Is g8 bulb profitable to sell on Amazon United States?

The niche generates $81K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.9%. Flapen's verdict: Skip it (37/100).

How competitive is the g8 bulb niche?

13 brands and 27 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in g8 bulb?

Top complaints mined from reviews: Bulb Flicker/Dimming/Color, Durability, Quality-Overall. The return rate is 3.0%.

When does demand for g8 bulb peak?

Demand peaks in Jan; the busiest month runs 1.7× the quietest.

What does it cost to enter the g8 bulb niche?

Listings span $5.31–$17.38; the average listing price is $9.19 (sweet spot $15–$100). The average incumbent carries 1,553 reviews — the moat a new listing must climb.

g8 bulb

Skip it

A small market ($81K/yr) — this niche doesn't clear our bar today.

Conversion

Incredible16.8%

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

Returns

Good3.0%

return rate — above 5% kills the launch gate

Review moat

Okay1,553.29

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay78%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay$9.19

avg listing price — sweet spot $15–$100

Growth

Bad-6.9%

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

Competition

Bad75%

top-5 click share — a locked-up shelf

Market size

Bad$81K

$81K/yr · 53K searches

Price range

Bad$5.31–$17.38

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

According to Flapen's Amazon United States niche tracking, g8 bulb is a $81K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan. Verdict: Skip it — 37/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

g8 bulb market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: $74K–$92K; units × avg price
Conversion rate: 16.8%
Avg BSR: #98
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 58 months
Avg seller age: 184 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

13 falling

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

17%

YBEK24%
TAIYALOO20%
Flaspar15%
Feit Electric14%
BOGAO5%
Gaormii4%
Open — no brand owns it (7 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.9% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.7×

Open Trend

Top g8 bulb search terms

g8 bulb18K/yr -0.4%8.8% conv.
g8 halogen bulb 20w10K/yr +77.3%17.6% conv.
xenon 20 watt 120 volt g8 base8K/yr -30.3%16.6% conv.
g8 120v 20w bulb7K/yr -40.7%19.6% conv.
g8 halogen bulb5K/yr -45.3%10.9% conv.
g8 light bulb4K/yr -14.5%8.7% conv.

All search terms

Top g8 bulb 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

YBEK G8 Halogen Light Bulbs 20W 120V Under Cabinet Lighting Replacements 2Pin 2700K Warm White (Pack of 10)

YBEK$9.664.6★2,132 rev

TAIYALOO G8 Halogen Light Bulbs 20W Dimmable 120V G8 Base 2Pin Xenon Bulb (12 Pack) T4 JCD Type Warm White Under Cabinet Puck Lighting Replacements

TAIYALOO$9.474.6★1,727 rev

Flaspar G8 Halogen Light Bulbs 6 Pack 20W 120V G8 Bi-Pin Base Halogen Bulb

Flaspar$5.994.6★219 rev

Feit Electric 20-Watt Xenon Halogen Light Bulb Dimmable 3000K Bright White G8 Bi-Pin Base 170 Lumens 90+ CRI Cool & Long-Lasting for Under Cabinet Accent Display & Task Lighting 3-Pack

Feit Electric$8.214.6★1,429 rev

BOGAO G8 Light Bulbs 20Watt 120Volt Halogen Light Bulb G8 Base Bi-Pin Shorter 1-3/8 (1.38) Length 20W T4 JCD Warm White Under Cabinet Puck Lighting Replacements 10Pack

BOGAO$9.514.6★3,226 rev

Newest

by launch date

GIVEDOUA G8 Halogen Bulb 20W 120V Bi-Pin Base T4 Type Dimmable 2700K Warm White Replacement for Under Cabinet Puck Lights (10 Pack)

GIVEDOUA$6.1313 rev

4mo ago

Ddlisu G8 Halogen Bulb 20W 120V 2700K 240LM Dimmable 2 Pack

Ddlisu$5.3187 rev

10mo ago

Vannise G8 Halogen Bulb 20W 120V 2800K for Under Cabinet Puck Light

Vannise$9.4438 rev

2y ago

Flaspar G8 Halogen Light Bulbs 6 Pack 20W 120V G8 Bi-Pin Base Halogen Bulb

Flaspar$5.99219 rev

3y ago

VITUNOV G8 Halogen Bulb 120V 20W Xenon Under Cabinet Lighting Replacements T4 Type 2 Pin Base Dimmable 2700K Warm White (12 Pack)

VITUNOV$7.92106 rev

4y ago

What buyers say about g8 bulb

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

What buyers love

Brightness/Shine/Glow19%

“They are bright”

Size-Overall16%

“fit just like they should”

Value For Money15%

“Excellent value”

Quality-Overall10%

“Excellent quality”

Advertised Vs Actual Product9%

“As advertised”

Efficiency6%

“works well”

Durability5%

“They seem pretty durable”

Assembly/Installation4%

“Easy to install”

Bulb Flicker/Dimming/Color2%

“I also like that theyre dimmable”

Compatibility-Overall1%

“Compatibility is great”

What buyers complain about

Bulb Flicker/Dimming/Color18%

“These flicker very bad when on low voltage”

Durability16%

“don't last”

Quality-Overall10%

“Poor quality control”

Size-Overall9%

“Didn't fit well”

Assembly/Installation7%

“They are NOT easy to install”

Brightness/Shine/Glow7%

“The lights just are not bright enough”

Flammable3%

“One of three bulbs was burned out at delivery”

Functionality-Overall2%

“Poor functioning”

Connectivity-Overall2%

“Bulb and connector undersized, cheap, break, and don't last”

Socket/Port/Plug2%

“They flicker and dont stay in the socket”

Top return reasons

Size-Overall62%

Bulb Flicker/Dimming/Color11%

Compatibility-Overall8%

Advertised Vs Actual Product6%

Functionality-Overall3%

Brightness/Shine/Glow3%

Color3%

Defective Material/Parts2%

Value For Money1%

Socket/Port/Plug1%

Common questions

Is g8 bulb profitable to sell on Amazon United States?: The niche generates $81K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.9%. Flapen's verdict: Skip it (37/100).
How competitive is the g8 bulb niche?: 13 brands and 27 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in g8 bulb?: Top complaints mined from reviews: Bulb Flicker/Dimming/Color, Durability, Quality-Overall. The return rate is 3.0%.
When does demand for g8 bulb peak?: Demand peaks in Jan; the busiest month runs 1.7× the quietest.
What does it cost to enter the g8 bulb niche?: Listings span $5.31–$17.38; the average listing price is $9.19 (sweet spot $15–$100). The average incumbent carries 1,553 reviews — the moat a new listing must climb.