Now I am going to talk to you like a father - since I am most likely old enough to be your father, or even your grandfather....
You are "flogging a dead horse." Let me put it to you in simple words (remember, this is family speaking...)
Having knowledge, getting certifications, being able to show that you are committed to learning about sailing are all very good things. They are, however, only the "icing on the cake." Continue to make the icing, but get focused back on the cake.
The "cake" is actually getting on a boat and sailing. You need to focus your energy on finding people who will take you sailing and give you experience. If you are truly committed that may mean long drives to a coast. It may mean moving to a new town. And it means a continuing campaign of putting yourself out there as available, dedicated, and ready to go the extra mile.
You are a two hour drive from Charleston, a major sailing center. What would happen if you focused your search there? I don't know, but I bet there are more opportunities then in Seven Oaks.
Let me help you understand outbound's
Remember, I have been doing this for years - 15,000 nautical miles plus or minus in the last 5 years including a solo transit of the Atlantic Ocean from Florida to Portugal- then read this post:
Hitting the Wall
Being offshore can be terribly frightening (and for that matter highly dangerous - people do get killed doing this.) A Captain who is trying to deal with the weather and the boat can't also be dealing with the crew. He/she needs to know that they are dependable and will work at bringing the situation to a safe ending. Taking anyone with no experience, no matter how dedicated, offshore is a "crap shoot" most Captains are not will to take.
Focus on the "cake." Do anything you can to build a resume of actual time sailing on boats. Continue your book learning, it will make you better crew. But first and foremost, work toward getting those first few rides.
Fair winds and following seas