It’s still best to try the above options first, but if you are deciding between a cut or plastic tree, opt for a locally grown cut tree. If you already have a plastic tree, use it for as long as possible.
There’s absolutely nothing wrong with thrifting for presents. Often items are good as new and totally unique. Second hand shops carry jewelry, kitchenware, games, holiday decorations (great for wrapping decoration), books, records, and loads of wonderful potential-gifts.