All PUA materials have pros and cons.
I started out with David DeAngelo. I got blown off with cocky and funny stuff by around (this is a rough estimate) 50% of the time. But when I got the hang of it, I can make any woman giggle or laugh 100% of the time. The key is instead of being "funny" which is really relative as some people don't find certain jokes funny, you should be playful. Another sticking point with DeAngelo is how to proceed from Point A to Point B. He has no structure so you basically don't know where you are in the sarging process. F-closing girls is never a sure thing with DeAngelo. It's just like waiting for apples to fall off from the tree instead of proactively taking them from the branches.
This is where Mystery has the advantage. He gives you a structure so you know where you are. Unfortunately, my sticking point in the Mystery Method is in step A2 or Neg Theory. I cannot even isolate by following this method for several months.
Then I came across Bobby Rio. The guy made things very simple to understand and emphasized rapport building. I came to learn wide rapport from him and polished this to my own context. I finally succeeded in moving girls forward to isolation because of this. I still had sticking points here though so I bought and tried other PUA stuff as well.
Some are worthwhile reads while some are simply a waste of time and money. But I guess that's part of the learning curve; you get to separate the bullshit from the gems.

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Approach. Open. Escalate. Isolate
Here are my two essential rules on texting that will save you tons of time and money:
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