We aren't alone in this.
When was the last actual job you held down, IT or otherwise? Have you considered that perhaps the rules have changed since the last time you were in the workforce? It's an employer's market, the rest of us are just getting by until the next economic boom.
I admire the perseverance you've had in pursuing jobs in your hometown and in continuing your education, but you need to check the attitude at the door. I didn't have a car for my interview at my current job. I took the train for an hour, then walked for 45 minutes in the muddy road to their front door. For a 3 hour interview. 45 minutes is nothing if what you want is at the end of that road. And what you want may not even necessarily be at the first job you get - but you need that first job, shitty though it may be, to get back in the workforce and make yourself a more desirable candidate for the job you want. I spent two years working as an underpaid postdoc learning new skills and making connections before I got this job. I also worked part-time in a bar to make ends meet, which often included the awesome experiences of mopping up vomit, taking out trash, cleaning clogged toilets, getting disrespected by kids 10 years my junior and getting barked at by bartenders for daring to glance at my phone.
You want to exhibit pride? Show pride in your work, in your appearance, in your accomplishments, in your professional demeanor. Not in your interview process. Not to the people that can affect your future. You never walk out of an interview. You never tell off a hiring manager. Ever. You sit down, discuss the job, and if you don't like the 'vibe' they are putting off, you write a "Sorry, but I'm going to pursue other opportunities, thanks for your time" email. Anything more is completely unacceptable.
You didn't just burn a bridge, you salted the earth in every direction for 100 miles. This isn't American Beauty, and you aren't Kevin Spacey. Was that worth your pride, now that you know it was a simple misunderstanding? What did you do this afternoon that was so much more productive than having a 'late' or bad interview?
I know it feels like the world (and now GAF) is an unjust place raining blows on you from every direction, but you have to take these down times to improve as a person. You did it at least once. Do it again.