I think every time is a good time for investing in BTC for long time investors
It is those times that you are ready to invest. Those are the times and the best when you're on it. Without any hesitation or double thinking because you're seeing the true growth and potential of bitcoin for a long time.
because BTC never falls in near future.
Although I agree on this but just to give the newbies the idea, there will still be time for bitcoin to correct.