This is a good starting point
I think this is a very local-based question. It also depends on expertise. So I can’t answer this based on where you live since I live in Belgium 
Remote work is doable, but it’s less and less done these days. Especially for junior profiles. Fully remote will mostly only work/be doable for experienced profiles. (from what I see)
Well, I started doing stuff when I was a teenager soo I don’t have the clear path written out as I came from school and followed X or Y/
I never even heard of this. ISTQB is basically a standard certification that will be required. I’m not saying ISTQB is great but it’s often a requirement for companies. + It’s good some good learning points for starters.
That’s great though! Make sure to check vacancies around you in order to see what they demand.
Make sure to check out this community called “Ministry of testing” it has a lot of great people and content too!
Bootcamps as in 2 weeks trainings in a company before getting the job? I think it’s a great opportunity for people to get into testing. We used to offer bootcamps of 2 weeks fully paid even.
It didn’t cost anything, companies (consultancy often) will hosts bootcamps and pay you to follow it, with the requirement of you joining their company as a tester 