Keywords are truly KEY. Take the time to use the right ones and bidders come. Use only words or phrases that legitimately pertain to your item (customers and eBay get mad at keyword spamming). Use words or phrases potential buyers might type in as search words or phrases. I routinely use the manufacturer, item type, size, and color. It pays to take an extra few minutes to do a thorough description of your item as some check the box to search ads too. There are some keywords that are sure draws including old, vintage and sexy. If relevant – use them, they build traffic to your sales.