You can now have a yard sale for the things you no longer want.

你现在可以把你不再需要的东西进行庭院拍卖。

Or they can have a yard sale.

或者举行庭院拍卖。

If it's in good condition, you can donate it, or have a yard sale.

如果这些东西保存完好，你还可以把它们给捐了或是来个庭院旧货出售。