When I see a rise in it immediately, and I see potential for it to go up more. That's the perfect time to buy, and sell right when it is about to drop.
A rise can be misleading. There are always some small bubbles that could happen and then there could be a really hard crash. You will eventually lose money if you continue trying to get money this way.
You may not necessarily understand the trend completely without a lot more research, as well.
Well said, That's true because most of the people don't do research about Bitcoin and jump into it and buy it like crazy and then becomes extremely happy when they see the prices going up and if there is a little dip or downfall they gets panic and ends up selling up all the BTC at very low cost and then regret it later when Bitcoin regains its higher value in couple of weeks.