Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.
购买工具。从购买你能找到的最便宜的工具开始。升级你经常使用的工具。如果你在某项工作中最终选择使用了某种工具，就买你能负担得起的最好的。
The most important thing is to actually care about what you’re doing.