Ok, so anyone can just start sending resumes in and showing up in person without any experience or any credentials and land a 100,000 dollar job, you just have to be persistent and try?
Is that what you are saying? 
We are discussing landing a role where you have expertise. I presume you get that and are just trying to be a smartass with the above comment.
What you need to do is to get outside of the "sending resume's" box.

The pool of places to apply comes from people you know directly, people that your network can put you in touch with and totally cold contacts. Sending a resume to a cold contact is pointless. Most likely they won't even get to read it. Their secretary will tear it up. You can see her as the angry gatekeeper and your job is basically to get past her and directly to the person making a decision.
I will admit, there is a bit of an 'art' to getting personal contact details of the people you want to sit in front of. The higher up they are, the harder it is. For most people, that whole process will be a mystery BUT most people probably have a buddy in corporate sales and they can fill you in on the 'tricks' associated with getting someone's attention.
You should not be sending resume's. You will have their attention for a limited time. All you need to do initially is to tell them what you can do for them. As a backup, also be ready to tell them what you have done before.
This whole process does take a bit more effore than printing out the same application letter 500 times with a different name at the top, attaching a resume & sticking them in envelopes and posting them out.
If you do what everyone else does, you get what everyone else gets. The fact that most people think sending in resumes to posted job applications is the only way to get a new job is great news for people that are thinking outside the box.