Re: Hi / Hello....response?
The reason they open with just 'Hi' or 'Hello'
Is that they are wanting 'You' to start the Conversation, they want 'You' to make the first move, just as 'You' would very likely do if 'You' met a Girl in a Bar or Coffee Shop.
This may seem annoying but if you think about it, I wouldn't say that they are being unreasonable.
I think you would find it even more annoying if they sent you a message, where they appeared to be throwing themselves at you and virtually begging for 'You' to take them out, only to find they lost interest and then blew you out or flaked.
Whether its done through a message or meeting face to face, more often than not they do expect the guy to do the 'spade work' to get the Party Started, so to speak.
They've kicked things off by saying Hi or Hello or whatever and are waiting for you to chat them up on-line.
So why don't you do just that, by saying you saw her profile and that She looked so hot, that you just could not help yourself from wanting to get in touch.
A great big full on Complement almost never fails and I think you will find that her next response will be a bit more encouraging than 'Hi'
Then after exchanging some messages, with a little flirtactious banter ask her out.
Golden Rule No1. is to make her feel Safe, so keep any banter between you Fun and Lighthearted, because if She doesn't Trust you then She probably won't turn up.
And suggest you meet in a public place for a Coffee, so you can chat and get to know each other.
Where after a successful date where you seemed to like each other and appeared to be getting on well, the balance of power will gradually begin to shift over to you, where you make her wait a couple of days before you send the next text.
Don't worry about Screwing up, as it seems you have plenty to choose from and probably a lot more on the way.
The Power in a Relationship always goes to the one who cares the least