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if you want to wait, it means you expect a correction or decline so you can buy at a better price.
if the current bitcoin push is good enough and you wait another week, I'm afraid you'll miss the train to enjoy the profits.
If you believe there will be a decline, then there is no need to buy now. or you can buy in small quantities, and proceed gradually based on a possible correction. once you get it at the base. can last until the end of the year even until Q2 next year.
While I already have some coins in my Portfolio, I did that so as not to miss when the boat has sailed, but I'm still waiting for the right time to add some coins to the Portfolio list.
I totally agree with what you said, but my principal when investing in cryptocurrencies is not to rush in making decision, I will do it gradually according to market condition.