Computer repair -> computer science.

Call center -> building machines from scratch based on a medium post.

Sure it’s possible but I don’t think the suggestion really makes sense. You can be blind to the fact that hn is in the 1% of intellect/ability, but it should be obvious that effectively no one can honestly take that suggestion. Unemployed, low on cash, and then in a low-skill industry it doesn’t make sense to risk $500 to $1000 on a project that you likely won’t be able to build.