Several folks have ask me about growing Pitayas, esp. in cold winter areas. So what I thought of was a "Pitaya Cart".
The Pitaya is a vining cactus and needs support. Commercially, three strands are trained up a 5 foot post, then through a wooden or rubber tire hoop, then allowed to spill over. You don't need or want that height if you are bringing them indoors for the winter months.
Instead, let's shorten that vertical support to 3 feet high and make use of inexpensive materials, shown in this diagram:
Compare that to the commercial-style planting, below. Note that the width can also be controlled with pruning:
