For example, if you plan to sell lawn chairs you can type this into the keyword start searching.
In reality, your profit margins can be slim smoothly items. This page within eBay's site will tell you the top 10 searches within each market. http://buschchicago.com/__media__/js/netsoltrademark.php?d=www.roboticsinsurance.com%2F__media__%2Fjs%2Fnetsoltrademark.php%3Fd%3Djasonyerogroup.com%252Fservices%252Flandscaping-2%252F