If you're planning on making it last 18 months, $100k is probably in the right order of magnitude. Incorporation fees, corporate taxes, liability insurance, wor

If you're planning on making it last 18 months, $100k is probably in the right order of magnitude. Incorporation fees, corporate taxes, liability insurance, workers comp., 409a valuations, audit fees, patent / IP expense, trademarks... You'd be surprised at the number of $5k bills you get from various parts of running a business.