If you're learning things and you either run into a snag that you personally overcome or encounter a poorly-documented/explained subject, you could write a tuto

If you're learning things and you either run into a snag that you personally overcome or encounter a poorly-documented/explained subject, you could write a tutorial about it. It doesn't require finding an innovative business idea and it a) shows potential employers that you know a skill, b) shows potential employers that you know how to write, and c) gets you emails asking for help that may lead to consulting work if you play your cards right.