Silence is a language, it speaks louder than any words.
In everything, there is a limit beyond which we cannot go.
My attitude is that if you push me towards something that you think is a weakness, then I will turn that perceived weakness into a strength.
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.