I went to college and have worked a middle class job since I was 17. Believe me, being smart has nothing to do with it, I'd say less than five percent of people I've worked with were "smart", the rest are just doing the bare minimum to not get sacked.

What ever you're lacking in knowledge and skills can be made up for by just being keen.

I admit that money does help, unfortunately, the mobility of classes has been in decline for decades now.

You don't need to know about specific topics to do translations. Think about it, no one can know everything, right?

Your English is really good. I imagine your Italian is similar, as well as whatever your 3rd language is. You are clearly not dumb.

Have a read of this - https://gengo.com/translators/

Worst case scenario, you're right, you can't do it. So, no different to before, beyond a bit of wasted time. So you might as well have a look, you're not gonna lose anything.