KP1945, your idea is not a bad one. Just keep in mind that all plants grow bigger in the ground. I gave away one pup from my California gold that was in a 5 gallon container and the pup had a baby shoot with one leaf. The pup did not grow very much after being in the same container for over a year. But the tap root was long and growing more and more. This plant needed a bigger home, more roots than top growth. A idea for a moveable container is to cut down a trash can that has wheels and drill some drainage holes.