The longer you wait, the bigger it changes, and it may get higher and higher, so the sooner the better. But you can also wait and wait for your ideal price.
Well you are right because if we will wait the price of bitcoin will increase and it will make profit for us, so better if you hold your bitcoin with patience and let the market of bitcoin be high. If you are not sure about the future then it is good to wait dont sell at the panic price, gradually bitcoin is getting high as you can see the market is moving now and it will go very high so buy right now and wait more so that you will get better future price of bitcoin, buy now getting more late will be bad as it is the golden chance.