---
title: "C9 Light String — $27K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/c9-light-string"
last_updated: "2026-08-08T19:54:28.834Z"
locale: en
meta:
  description: "Niche score 28/100 · $27K/yr market · 32K searches/yr · $93.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 28/100 · $27K/yr market · 32K searches/yr · $93.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "C9 Light String — $27K/yr Amazon US Niche (2026) - Flapen"
---

# **c9 light string**

**Skip it**

A small market ($27K/yr) — this niche doesn't clear our bar today.

Market size 7Growth 57Conversion 11Competition 13Returns 15Price range 29Avg price 77Brand share 15Review moat 91Quality gap 21

**Review moat**

**Great****170.13**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$93.96**

avg listing price — sweet spot $15–$100

**Growth**

**Good****+31.7%**

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

**Price range**

**Okay****$16.23–$302.16**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Returns**

**Bad****7.8%**

return rate — above 5% kills the launch gate

**Competition**

**Bad****85%**

top-5 click share — a locked-up shelf

**Conversion**

**Bad****0.9%**

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

**Market size**

**Bad****$27K**

$27K/yr · 32K searches

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, c9 light string is a $27K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 28/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **c9 light string market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$117K–$141K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,386**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**63%**</dd>

<dt>**Out of stock**</dt><dd>**14.2%**</dd>

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**188 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▲rising

**Sellers**

**12**

**Top-5 brand share**

**94%**

Top 20: 100%

**Top-5 click share**

**85%**

Top 20: 100%

**Open market**

**0%**

- Brightown43% - Novelty Lights16% - Copkim14% - Kivonfa11% - LUCKY TL11% - Formosa Lights6% - Open — no brand owns it (0%)

## **Demand**

Weekly Amazon search volume, last 37 weeks — +31.7% search growth over the last 90 days.

3K2KSpike '26Nov '25Dec '25Feb '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/c9-light-string/trend)

## **Top c9 light string search terms**

- **c9 light string**8K/yr+48.1%1.3% conv. - **c9 light strand**5K/yr+32.3%0.7% conv. - **c9 christmas light string**3K/yr+27.2%0.5% conv. - **c9 wire**3K/yr+18.1%0.0% conv. - **c9 stringer**3K/yr+16.2%0.6% conv. - **c9 socket wire**5K/yr+94.0%2.1% conv. - **c9 christmas light wire**5K/yr-56.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/c9-light-string/search-terms)

## **Top c9 light string 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%$3K20%$5K30%$8K40%$11K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Brightown 100FT C9 Light Strand Green Wire with 100 E17 Light Sockets](https://m.media-amazon.com/images/I/51uXQPbhDgL.jpg)**Brightown 100FT C9 Light Strand Green Wire with 100 E17 Light Sockets**Brightown**$39.59**4.7★625 rev](https://www.amazon.com/dp/B07W85JL2Y) [2![Novelty Lights 25 Foot String Light Set - Indoor/Outdoor Stringer Set for Christmas Wedding Decor Patios & More - C9/E17 Intermediate Base (Green Wire 12 Spacing)](https://m.media-amazon.com/images/I/41SL+J5rWHL.jpg)**Novelty Lights 25 Foot String Light Set - Indoor/Outdoor Stringer Set for Christmas Wedding Decor Patios & More - C9/E17 Intermediate Base (Green Wire 12 Spacing)**Novelty Lights**$18.74**4.6★376 rev](https://www.amazon.com/dp/B0716QDQHR) [3![Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green](https://m.media-amazon.com/images/I/41KVp72064L.jpg)**Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green**Copkim**$40.77**4.7★34 rev](https://www.amazon.com/dp/B0D9G9CWP7) [4![Brightown Commercial 250 FT C9/E17 Christmas Light Sockets Set Spool](https://m.media-amazon.com/images/I/51WQRznIStL.jpg)**Brightown Commercial 250 FT C9/E17 Christmas Light Sockets Set Spool**Brightown**$137.21**4.5★50 rev](https://www.amazon.com/dp/B0FF8XKG2T) [5![25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire](https://m.media-amazon.com/images/I/41WChaiM0NL.jpg)**25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire**Kivonfa**$16.23**4.5★15 rev](https://www.amazon.com/dp/B0F83WTZGF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Formosa 26FT Upgraded Version C9 Christmas String Lights Clear Incandescent String Lights for Indoor Use for Xmas Tree Holiday Party Decor String Lights for BedroomUL Listed Commercial Grade](https://m.media-amazon.com/images/I/41Tw3Bd4asL.jpg)**Formosa 26FT Upgraded Version C9 Christmas String Lights Clear Incandescent String Lights for Indoor Use for Xmas Tree Holiday Party Decor String Lights for BedroomUL Listed Commercial Grade**Formosa Lights**$19.81**93 rev2mo ago](https://www.amazon.com/dp/B0D8HX8VKK) [![Brightown Commercial 250 FT C9/E17 Christmas Light Sockets Set Spool](https://m.media-amazon.com/images/I/51WQRznIStL.jpg)**Brightown Commercial 250 FT C9/E17 Christmas Light Sockets Set Spool**Brightown**$137.21**50 rev10mo ago](https://www.amazon.com/dp/B0FF8XKG2T) [![LUCKY TL 1000 FT C9/E17 Christmas Light Sockets Spool Set Green SPT-1 Wire](https://m.media-amazon.com/images/I/51ptPRczMBL.jpg)**LUCKY TL 1000 FT C9/E17 Christmas Light Sockets Spool Set Green SPT-1 Wire**LUCKY TL**$302.16**27 rev10mo ago](https://www.amazon.com/dp/B0FH655T17) [![25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire](https://m.media-amazon.com/images/I/41WChaiM0NL.jpg)**25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire**Kivonfa**$16.23**15 rev1y ago](https://www.amazon.com/dp/B0F83WTZGF) [![Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green](https://m.media-amazon.com/images/I/41KVp72064L.jpg)**Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green**Copkim**$40.77**34 rev2y ago](https://www.amazon.com/dp/B0D9G9CWP7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Formosa 26FT Upgraded Version C9 Christmas String Lights Clear Incandescent String Lights for Indoor Use for Xmas Tree Holiday Party Decor String Lights for BedroomUL Listed Commercial Grade](https://m.media-amazon.com/images/I/41Tw3Bd4asL.jpg)**Formosa 26FT Upgraded Version C9 Christmas String Lights Clear Incandescent String Lights for Indoor Use for Xmas Tree Holiday Party Decor String Lights for BedroomUL Listed Commercial Grade**Formosa Lights**$19.81**4.6★**▲ 945%**](https://www.amazon.com/dp/B0D8HX8VKK) [![Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green](https://m.media-amazon.com/images/I/41KVp72064L.jpg)**Copkim 100 ft C9/e17 Ul Listed String Light Cord Wire Spool Christmas C9 Light Wire Stringer Strand Set for Outdoor Patio Xmas Tree Roofline 12 Spacing Green**Copkim**$40.77**4.7★**▲ 547%**](https://www.amazon.com/dp/B0D9G9CWP7) [![25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire](https://m.media-amazon.com/images/I/41WChaiM0NL.jpg)**25Ft C9 Christmas Light Stringer Outdoor String Light Strand with 25 Sockets & Clip Hooks 12 Spacing E17 Intermediate Base End to End Connectable for Patio Holiday Party Xmas Decor Black Wire**Kivonfa**$16.23**4.5★**▲ 454%**](https://www.amazon.com/dp/B0F83WTZGF) [![LUCKY TL 1000 FT C9/E17 Christmas Light Sockets Spool Set Green SPT-1 Wire](https://m.media-amazon.com/images/I/51ptPRczMBL.jpg)**LUCKY TL 1000 FT C9/E17 Christmas Light Sockets Spool Set Green SPT-1 Wire**LUCKY TL**$302.16**5.0★**▲ 258%**](https://www.amazon.com/dp/B0FH655T17) [![Novelty Lights 25 Foot String Light Set - Indoor/Outdoor Stringer Set for Christmas Wedding Decor Patios & More - C9/E17 Intermediate Base (Green Wire 12 Spacing)](https://m.media-amazon.com/images/I/41SL+J5rWHL.jpg)**Novelty Lights 25 Foot String Light Set - Indoor/Outdoor Stringer Set for Christmas Wedding Decor Patios & More - C9/E17 Intermediate Base (Green Wire 12 Spacing)**Novelty Lights**$18.74**4.6★**▲ 101%**](https://www.amazon.com/dp/B0716QDQHR)

**~~View all trending →~~**

## **What buyers say about c9 light string**

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

### **What buyers love **

**Brightness/Shine/Glow**38%

*“I can pick the LED bulbs I like”*

**Advertised Vs Actual Product**25%

*“Did exactly what I needed them to do”*

**Size-Overall**13%

*“organized well enough to fit instead of gathering them up”*

**Strength**13%

*“Great sturdy light strand”*

**Organizing Capabilities**13%

*“organized well enough to fit instead of gathering them up”*

### **Top return reasons **

**Size-Overall**38%

**Connectivity-Overall**13%

**Defective Material/Parts**13%

**Socket/Port/Plug**8%

**Bulb Flicker/Dimming/Color**8%

**Color**8%

**Product Condition**4%

**Value For Money**4%

**Durability**4%

**Measurement/Reading Accuracy**4%

## **Common questions**

<dl>

<dt>**Is c9 light string profitable to sell on Amazon United States?**</dt><dd>The niche generates $27K/yr across 8 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +31.7%. Flapen's verdict: Skip it (28/100).</dd>

<dt>**How competitive is the c9 light string niche?**</dt><dd>6 brands and 12 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 94% of demand.</dd>

<dt>**What does it cost to enter the c9 light string niche?**</dt><dd>Listings span $16.23–$302.16; the average listing price is $93.96 (sweet spot $15–$100). The average incumbent carries 170 reviews — the moat a new listing must climb.</dd>

</dl>

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