Which do you prefer?

Hello Everyone, want to ask few questions here.
Short term or Long term investment?
Which is more profitable to you?
What coins do think that is good for long term now?
Feel free to comment your ideas and opinions.
At the moment I believe you can think of long term investment in bitcoin, you can see that the market is fluctuating continuously and bitcoin prices are showing signs of strong recovery, the market is showing signs uptrend.
So you should spend small capital for long-term investment and DCA when the price drops 10%.