For starters you need to know how you can use bitcoin to take profit or make it worth for your transactions from fiat to virtual currency.
I also encounter volatility of market when I trade, so my first option is to hold and wait for the right time to trade. Every one knows that because it is a fundamental of trading.
To do that, you need patience and discipline.
Every question has to be answered as each one of them is complicated to be answered without knowing the base of bitcoin functionality.
Of course there are scams, issues and etc. But the key to prevent and avoid those things is through researching and seeking information about what bitcoin is.
How to avoid scams?, How to fix issues?, How to recover losses?. You must read safety and rules before entering world of cryptocurrency. Transactions will help you to apply those knowledge and gain experience out of it.