The right time is now, before bitcoin go back to $7000, what can happen in the next couple of weeks. Bitcoin bull run will start very soon, you will see.
Bull markets will come to them in mid-2019 or late 2019. Now the situation has deteriorated a lot because everyone who hoped the ETF could help boost the bitcoin, but the ETF was rejected by the SEC this morning and we are in crisis. The next few months I think the market will be side way or going down