Q: How to put an item OOS manually?
A: If you want to make an item be out of stock in your marketplace, you can click the Force OOS link on that item and then click the link to Force Reprice it. The item will then be put out of stock on your listing and it will show in Red under the reprice item column that it is Forced OOS. Letting you know that you decided to put the item OOS. It will remain that way, until you choose to disable force OOS on the item and force reprice it again.