Look at HDMI cables on eBay. You can get them for under five dollars. Look for a well rated seller and go ahead and get one.
Meritline.com has loads of goodies at really great prices. They have a daily sale. You might like LocoBuy.com too. In addition, Google or Bing the cable you want and see what comes up.
Keep you eye open at garage sales for HDMI cables or any other cables you are looking for. You can find cables that cost $10 for next to nothing. Newer cables, like HDMI, are also showing up at thrifty stores, so that's a good place to check.
