Would love to hear how fellow bootstrapped HN'ers dealt with such a situation.
I realise this is useless advice for most other startups, but hey, spend as little as you can (but not too little), and you're doing the best you can.
We are running at very bare costs but our biggest expenses are salaries for ourselves (which in an expensive city like Singapore) can drain your finances pretty quickly.
The consulting gigs are so we can afford food. We aren't getting paid anything, but we don't count our time against expenses...