Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email email@example.com.
Make sure that you have correctly setup your categories, as well as assigned the product(s) to that category. They will show up in the categories view and not necessarily on the homepage unless you tell it to.