I would like one own some but I have no idea how to start. Can both of you give me some advice?
You can sign up to coinbase (Get $10 by using this link:
https://www.coinbase.com/join/5747c9ba4169b0079e000040)
Then link a visa/mastercard and spend USD to convert it to BTC/LTC/ETH.
Current Per BTC: $1,603.07
Current Per ETH: $95.21
Current Per LTC: $30.46
You can trade coins for other coins. Coins fluctuate in value all day every day, so take advantage of it like stocks. You can also trade them to a Poloniex account to have a more variety of coins to trade like stock.