Cheapest 100 ft extension cord

All sizes of Extension cord →

Amazon —Not enough matching listings yet; checked daily
eBay $46.98/cabletypical $56.99 · 3 new listings Buy on eBay: $46.98 for 1 cable →as of 2026-11-06 UTC

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All 3 listings, single cables first, then multipacks

ItemSizePricePer cable
Black Outdoor Extension Cord 100 FT Waterproof Flexible 16/3 Gauge Power Cord 1 cable1 cable$46.98$46.98 eBay →
CP 100 ft 14/3 SJEOW, TPE Rubber Heavy Duty Extension Cord, Blue/Orange, CP10089 1 cable1 cable$56.99$56.99 eBay →
100ft Outdoor/Indoor Extension Cord 14/3 Gauge Heavy Duty 3Prong SJTW Waterproof 1 cable1 cable$57.82$57.82 eBay →

eBay: new Buy It Now listings from US sellers as of 2026-11-06 UTC, item plus shipping.

Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.

More cables

Coaxial cable $0.14/ftDisplayPort cable $0.68/ftLightning cable $0.71/ftUSB-C wall charger $2.79/chargerUSB-C to USB-C cable $0.21/ftUSB-C to USB-A cable $0.28/ftHDMI cable $0.35/ftMicro USB cable $0.30/ftThunderbolt 4 cable $1.83/ft3.5mm aux cable $0.49/ftCat6 bulk Ethernet cable $0.067/ftCat6 Ethernet patch cable $0.27/ft