I personally think that either you achieve your goal or you learn something with experience. There is no loss. You can learn some amazing techniques online until you get the order. If your current system is fine for the beginning, then start from there and upgrade according to the jobs you get, but if you think you need to upgrade your computer now, then go for it. There is no harm in trying something new, and currently every market is saturated, but you can create your place with high-quality work.