It would depend on the item you need. If you can provide what you are looking for or a list, perhaps the hometalk community can help you out.
There are many sources of stock needed for projects, it all depends on the project at hand. Could you offer what you are trying to make so we can guide you to the resource.
Is your question related to a specific project you saw posted? If you ask the question immediately following that project, you're more likely to get the correct answer.
Depending on what you need - home improvement stores, craft stores, and thrift stores are a start.
Sorry I asked the wrong group. my apologies.
Stock like cows that got out?
I hope you found your solution.
What stock are you referring to?