Here's some practical advice for the OP:
I have been wanting to know for about 7 years what to do with my life, as in, what job/career/business I should get into, because what I have been doing for the past year and a half is something temporary of its very nature and not enough to raise a family, much less save for the future/invest etc.
We need more info from you, to help out. Did you go to college? What is your major? If not, what kind of skills do you have? What are your hobbies? What interests you?
Can you start a side business to make extra money?
I absolutely hate not having a goal or not knowing what I should get into. Sure, I am learning some new things right now to get into a new industry and probably make more money, but I'm not sure I really like it and I don't know if it will pay off.
"Pray as if it all depends on God; act as if it all depends on you." God often answers prayers by circumstances, or through people's advice, or through orders of superiors. In other words, He does not normally speak directly to you. Even in the lives of the Saints, their prayers were answered through NATURAL means, because we are natural creatures.
Secondly, a job is a job is a job. Don't fall into the trap that a career will satisfy you, or that a career is what you should be looking for. Few, few, FEW people in life have a career (I speak from experience here and the many, many friends I have who came to this realization). The idea that we can all "find the perfect career" is a romantic ideal, much like the idea of "finding the one" in dating. There isn't only one person you could marry and be happy with, and there isn't only 1 job path you can take to be successful.
The only types of people who have careers are those who are highly specialized - doctors, scientists, (and some types of) lawyers. Every other skill is highly transferrable to many different types of companies and industries.
Thirdly, you should have multiple goals in life, many of them that have NOTHING to do with a job. You should have health, religious, intellectual, social, hobby, and personal goals. Don't let a setback/pause in one goal derail your progress in your other goals. You are more than just a career.
How does one even decide what to do? I would think God cares what I do for a living, so I don't really believe that it should be just about thinking what it is that you like the most and trying to pursue it and see if you make money with it. We can't see the future and we seldom have our best interests in mind, so why doesn't God let me know what I should do?Follow your talents, not your passions.
(Some people's talents and passions are the same - this is unique, not the norm). You can have a passion for snowboarding but if you aren't good enough to go professional, you'll be a homeless snowboarder. If you have a talent for mechanic work, then go develop your talent and you'll be successful. Happiness is not a goal, it's a by-product from being successful.
If you work hard to develop your talents, you'll do good work, you'll be successful and you'll be happy because of it.
Most people have many varied talents, but 1 or 2 which stand out. As Aristotle said, "We are what we repeatedly do." What do your hobbies tell you about your talents? If you had 2-3 free days, how would you fill your time? Go ask trusted people in your life to help you find this out. Ask them what they think your talents are. Seek wisdom from wise and trusted friends/family. God will guide you through them.
There's just too much information out there right now, and we can't be sure we will take the right decisions.
Don't over think it. It's just a job. Don't fall for "analysis paralysis". Update your resume, post it out there. Take some interviews. Go see what happens. You're still very young. Try a different industry. Try a different job setting. Go find a job that pays more and give it a whirl. Sometimes you won't know if you like something until you try it. Fail until you succeed.
In today's economy, there is less and less stability since companies are merging with other companies and globalism forces them to change strategies constantly, which affects jobs and industry needs. Many of us won't have stable careers; we won't be with the same company for 20+ years, or even 5. You should probably look to change jobs every 1-2 years. Companies setup their positions and expect employees to get bored and move up or move on. Employees are expected to develop themselves; you do that by changing jobs, learning new skills from that new job, and having a wide variety of experiences. Eventually you'll find a type of work you're good at or some general skills. But that doesn't mean you won't keep having to change jobs. Change is the new constant in the economy.
If you provide more details in this thread (or send me a PM) I might be able to give more specific advice. I've been where you are (and in some respects, still am).