Building a parking for the trailer and cover suggestions

If I were to be doing it slowly, I'd put some sort of tie back on the inside as it is far stronger than on the outside. Both wood members and mesh will work. Consider a grey/ black water drain system underneath if your soil type is compatible. Fine gravel will pack and firm up very fast. We had to get it off the driveway cause of 3 drivers , soon to be4 and more vehicles and toys than it can handle.