even in gambling you have to know basic knowledge, gambling more risks than cryptocurrency trade,
i have done a few bet so i know how much pressure here, buy low/sell high it seems greedy trade, and not professional trading.
I think the criteria for buying low selling high are difficult to digest. when the price is low and we can buy it? because sometimes even though we feel the price is at the bottom but it turns out the price is back down again. therefore we must understand support and resistance because in that area sometimes prices react