Hello @Danderson1008 thanks for your questions. I'm sorry you're having trouble with your online site and adding items. How recently have you added your items that are not showing up? Sometimes there are sync delays. Your items should be available to order as soon as you put them into your online site. Would you mind sharing your website so I could take a closer look at what you're dealing with?
You can check out this post for help in adding an item to your Square Online site. Hope this might help with your questions.
