Here is a quick guide showing how to Transport large decorations home.
How to Transport Large Decorations Home
Fortunately, they don’t. If there is an activated campsite near the item, you can walk the item to the campsite, then hold the item over the storage crate, and it will give you the option to “store” doing so will let you pull the item out of storage at home and place it in your garden.
as long as it’s in your garden, and your gardens items are under the item limit, it is safe. If where you placed the item doesn’t have a limit counter at the top of the screen, it’s not safely in the garden.
Also, be careful moving large items long distances, as you can gain the Lumbago ailment, as seen in my screenshots :^D