eBay with justforlive2008 has the 4-in-1 Lightning (8-pin) / 30-Pin / Micro USB (5-pin & 9-pin) Noodle-Style Cable for $2.22 + $0 shipping = $2.22 shipped. Ships from Hong Kong. Has a 1-foot cable length.
Newegg has the Coboc 6 ft. MFi Certified Black Apple 8-pin Lightning Connector to USB Cable for $15 - $5 off with coupon code EMCYTZT5733 [Exp 2/18] = $9.99 with free shipping. Measures 6 feet in length and is Apple MFI Certified for iPhone 5/5S/5C, iPad Mini, iPad Air, iPod Touch, and iPod Nano.
Newegg has the Coboc 10 ft. High Speed HDMI Cable for $5 - $2 off with coupon code EMCYTZT5738 [Exp 2/20] = $3 with free shipping. Features 10.2Gbps transfer rate with full HDCP and uncompressed audio/video support.
eBay with dib-bid has the 3-in-1 Lightning (8-pin) / 30-Pin / Micro USB Noodle-Style Cable for $2.14 + $0 shipping = $2.14 shipped. Ships from Hong Kong. Has a 3-foot cable length and comes in a random color.
eBay with A4C has a 3-pack of Samsung (OEM) APCBU10BBE 32" (2 ft. 8 in.) Micro-USB Charge & Sync Data Cables (Bulk) for $3.30 with free shipping. Normally around $8 for three. Provides USB 2.0 transfer rates while charging device through computer's USB port.
Newegg has the Coboc 15 ft. High Speed HDMI Cable for $6.99 - 50% off with coupon code EMCYTZT5769 [Exp 2/25] = $3.49 with free shipping. Features 10.2Gbps transfer rate with full HDCP and uncompressed audio/video support.
Amazon with LTZmart has a Mini DisplayPort to HDMI Adapter Cable 6-foot Cable for $2.75 + $0 shipping = $2.75 shipped. Ships from Hong Kong. Connect a high definition monitor, projector, or LCD that uses a HDMI connector or cable to a MacBook, MacBook Pro, or MacBook Air with a mini DisplayPort.
Ends today. Newegg is taking an extra 50% off select Coboc CAT5e & CAT6 Ethernet cables with coupon code EMCPHHE89 [Exp 2/27]. Shipping varies, but is free on orders $25 or with ShopRunner or Newegg Prime memberships.
eBay with A4C has a selection of 2 5ft Auxiliary Cords (multiple colors) for $2.49 with free shipping. Connects phone to any audio device that supports 3.5mm input, and includes an L-shaped plug and a straight plug.
Newegg has the Coboc HS-6 6 ft Gold Plated HDMI Cable for $3.99 - $2.50 off with coupon code EMCPHHB79 [Exp 3/6] = $1.49 with free shipping. Features 5Gbps transfer rate with full HDCP and uncompressed audio/video support.