It depends heavily on your financial situation, artistic skills, amount of time available, and motivation. Even if you make your own, you should expect to spend a chunk of money on the necessary supplies. If you have the money, commissioning one is definitely "easier." But if you're good with crafts and have the time and necessary motivation, building your own can be a great choice too. There are pros and cons to each method, and it just depends on you and what you want or can afford.