First rules of the game; Put in what you can afford to lose in case things don't go as planned.
Very true, manage your money where your emotion is ready
I mean make sure that you are
willing to take the risk when you put in your hard earned money
inside your investment.
Crypto markets are so unpredictable and very volatile, You can make a lot of profit or lose it in a very short time frame.
The very reason why doing your research and keep on learning
the process is very essential
Volatile nature also can be a good friend when you already have
the right knowledge to use.
If I were you I would keep with the small amount until i master and get used to the movements of the markets.
There's always a balance that OP needs to do, if he thinks he's willing
to take a shot proceeding in investing
much larger amount of money can be done with precautions, reading
from his statement, it seems that he
already have experienced he already suffered losses and able to overcome
fears so the outcome is good for him.
I personally Lost slightly over 10 ETH when i was learning futures trading 
but my profit making got better with time.
but my profit making got better with time.Learning process, both hard and precise ways can give positive results
if you are keen to learn more.
If you are willing and you are emotionally stable.