Get a second remote job. You could effectively double your salary for a few months or as long as you can handle it. Personally, this is much better than the race of the bottom of all these piece meal contracting gig sites. Youtube is likely a major waste of time in that you'd need to compete and build a profile, etc. This takes time. If you want to spend years then you might make it work. I've done this and know from…
NB: certain aspects of holding 2+ FT jobs are harder to parse out before being hired - particularly meeting times. It's not typical to ask what time morning standups are in an interview, but juggling overlapping meetings is one of the main difficulties of holding down multiple roles, so just be aware of what you're getting into.