Sunken cost fallacy is a thing, but eh I think you may as well finish at this point, all up to you of course. Best of luck mate! 

Depends on what you want to do with your life. If you want to do something that requires a college degree, then yeah.

Also, moving to general discussion.

Time is money and money is time.

Higher education isn't going anywhere anytime soon, so it depends on where you see yourself going. There's rarely a need to rush, but you also don't have forever. Just because you want something, doesn't mean you need it asap, and often enough it's certainly better to wait some amount of time.

All decisions you have to make, and no matter how well they may turn out, some choices are going to be seen as mistakes in retrospect and there's no way around it. That's just life.

I had a nagging feeling all through college. I didn’t feel like what I was learning amounted to anything useful. I wanted to make video games. Computer Science doesn’t teach you any of that. Only reason I persisted was because my parents paid for it. Once I graduated I found I was right the whole time. Maybe some people break into the industry that way but it didn’t work for me. 

I did end up working for Rockstar and Nintendo for minimum wage along side high school graduates. So for me I learned that to get were you want to go you need to get in the door and then pursue the degree that opens the next door for you. Sounds like you are doing that. So I’d suggest analyzing why you have doubts, write them down on paper. Answer your own question if it is worth it for what you are after. 

Depends, computer-science degrees for instance should be worth it, but degrees in the humanities like gender studies for instance are worthless

Nope, not worth it anymore, especially the more well-known and thus expensive ones. Hasan Minhaj explains it best:

What worth has education if you'll never be able to pay back that cost even after 50 years of work?

Historically Uni degrees were for true eggheads that spend their weekends writing research papers, not for the job market.

There are some jobs that require degrees like lawyer or dentist but we've got a glut of them anyways.

In your second half of life a degree might be a benefit if you want a management position in a normie-tier company.

Go for a community college or local uni if you just need a paper to get past the HR department.

Depends on what you want to do. I couldn’t work at my job without a degree, and my masters pays me more money. They can be very worthwhile. However, there are some jobs that don’t require one at all. My brother makes like three times what I make (not hard, I’m a teacher) without a degree. He is a big time race director who organizes marathons all over the country.

So basically, it comes down to the career you want. If you are working in computer science, I know my brother got a degree in computer science, but it was kinda worthless... the field seemed to care more about certifications.

That being said, having a bachelors is basically the new high school diploma, it’s pretty much expected in most of the job market. So while definitely not required for a lot of jobs, the lack of one is a bit of a blemish...

Having come from a community that wasn't in anyway diverse, it was good socially speaking to learn become friends with, and get to know people from all over the world that attended my university. From a job perspective it has opened doors for jobs I would not have had the opportunity for without it.