You can follow these tips:
1. Learn about tech behind cryptocurrencies (mintable coins, non-mintable coins, Blockchain and other tech stuff ).
2. Learn about cryptocurrencies trends of past year and whats going on currenctly.
3. Select the best crypto coin or coins you are interested to invest in.
4. Research about their tech more and follow the trends for some period.
5. Learn the basics of crypto investments i.e. When to enter and when to exit.
6. Make a plan your investment Goals.
7. Keep following latest news and announcements.