Also #1 leads to a situation where you don't put your 100% effort on either side, and you'll fail miserably on both your job and side project. BUT I think whil

Also #1 leads to a situation where you don't put your 100% effort on either side, and you'll fail miserably on both your job and side project. BUT I think while you're employed you should try to learn how budgeting, cashflow, capex/opex, taxes, accounting, etc. work. This will be very helpful for the job you already have, and also for your side project and any future job.