Mistake i made yesterday during the crypto bloodbath

That's a pic of today's prices of coins in the market cap. it

Trading cryptocurrencies is so tricky and may cause panic and its not good for persons with money phobia.
The mistake was anticipating a minimum price drop, so i placed an order at an assumed lowest price of $215 for ethereum, i was shocked that the price of all these coins was still dropping. I started to regret.
Ethereum dropped to a threshold of $195. Then started stabilizing at $202 -205.

Lesson learned:
When the price drop surge strikes the coins, one should wait to purchase and in fact, its better to just watch several ours without taking any action.
That's just a little advice for traders new in the market.