Anyone who wants to venture into bitcoin should look at the long run, one should know it's an investment and investments are for the future, you shouldn't be bothered about the current price of bitcoin if u want to invest and targeting to make reasonable profit out of your investment because bitcoin definitely has a great potential for the future. We have seen how it has grown from nothing to the price it's now and it won't even stop rising so everyone should just target the future.
If you're a bitcoin trader that buys when the price drops and sell when it rises you should also be able to make long term plans too you can buy and sell, you should also buy to hold too because no one can predict the market.
Buying and selling of bitcoin is not the Better way to go about bitcoin investment because you might sell at lost, bitcoin investment is a long time you can start buying bitcoin using the dca strategy and hodl for 4-10 using your discretionary Income, as a new investor you shouldn't think of selling your bitcoin instead your main focus is how you should be able to buy stack more bitcoin.
Those who buy and sell bitcoin are traders and not investors and investor will reap from his long time investment because his bought good size of bitcoin to his portfolio while trader will run at big loss.
You're right about that and I'm just advising that even if you're a trader that wants to trade bitcoin when it falls and sell when it rises you should consider investing for the long run too, you can purchase your bitcoin and hold for your greater results at the future while doing your little buying and selling too, mind you it's just and advice to traders.