Now if you were to make an investment of $100 as a beginner regardless of your country and as it stands Bitcoin is experiencing a bear market (an example) after you made 5% capital.
$100 is not a serious amount of money for a lot of people, and in such situation it's best to just forget about the investment and check it once per year or so.
Initially you want to hold for a very long time but as a result of the bear market you loose your capital and half your investment yet the market is showing no sign for you to recover.
What's your next step as a first timer in Bitcoin /Altcoin trading?
Bitcoin and altcoin trading are two very different things. Bitcoin has a high chance of recovering from every drop, and so far it recovered from all of its drops. Meanwhile most altcoins have one final bear run that finishes them off, or at least makes them premanently lose 99% of their value. So with alts it's best to cut your losses an d move on.