
Transplanting of course will give you the fastest results, depending on the size of the tree, your skill and ability in moving an established tree, and ability to follow up with appropriate soil and water management as the tree gets established in it's new location.
Starting a new tree from a cutting also takes knowledge and skill in the various techniques available for propagation. And if successful, it will take a few years to become established and productive.
If you are not experienced in transplanting or in propagation, it may be best to seek professional help, to avoid failure and disappointment. Especially in the tree moving, for which you will have only one chance to get it right.