Firstly, learn how to use the BBCode properly. Those bold tags did not function as you wanted them to.
I would agree with @mk4 here. Seems like you are misinformed about the subtle difference between Trading and Investing.
I want to invest in crypto.
I would suggest buying bitcoin but at lower price. Currently the price is high.
Suggest me some coin for mid-term Trading...!
This would be done better after checking charts and seeing which coins have been performing better in the mid-term. But this is theoretical, the more practical approach is again not buying altcoins because they have literally no long term value. Today you buy some shitcoin hoping to see a 10x gain in 6months and tomorrow you might find out that the project has undergone internal takeover causing the next price to dump as low as -100x
So in a way, bitcoin is the only safe bet.