1) Take a magnet to a copper coin.
Some are magnetic, some aren't.
This is inflation.
2) Credit crunch opportunities? = buy things for cheaper than before. Does this allow for power change?
3) Will paper money be phased out and replaced with digital money?
Regards talk. Average and reverse all advice read?
4) Regards metals. Fiscal devices have lost trustworthiness so have to go the effort and buy the real thing.