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I seriously doubt that even those who preach "buy the dip" will be buying by themselves at this time.
I'm always wondering those who preach "buy the dip" how exactly know what is a dip (or which is the bottom of it, or just the halfway, or the beginning/end...).
I don't really trust TA... Everyone can see if the price goes down but nobody can be sure where is the end of the way down, nor where will be the end of the rise if the price recovers...
Its very difficult to predict the bottom, even with the best TA. We just have make a choice based on reasoning behind it. A way I can tell that we are in a notable dip is that this was the biggest drop in the last 20 months (an article just came out saying this too). That's very significant and a good indicator. I don't care about the bottom, I just care about getting more at cheaper prices.
Also take time to step back and analyze the charts going further back and with bigger intervals like monthly or weekly bars/sticks. It helps , now you can have a more "long" term plan where to drop buy orders.