Once you get much money in your hands or wallet, you can choose whether you will buy a full set of a version, or buy single Japanese or local cards that much. If you wanted to collect a huge card collection of a version, buy the full set, or if you hunting for some cards, buy some. Version 12 full set costs around $850, a single card may costs around $1 - $100. Save some money for sometimes, you will be needed them soon.
My decision is still picking up, to buy full set or single cards. How about you? Have you decide already?