Moth orchids aren't easy to propagate Robbie. The commercial nurseries use a tissue culture technique to raise thousands of identical plants, but amateurs can't do this. On one occasion, when I trimmed back a faded flower spike to a nodule on the stem a new stalk developed with a complete plant at its tip, with roots and leaves. When quite large I cut this off and potted it up. So, you can gets new plants for free, even from orchids.