$3k plus commission surely isn't out of the question for a part time salary, even in NYC? Not everyone is stuck with your costs of living.

A salesperson with connections in the relevant industry might even consider doing it for commission plus vesting equity only with those numbers.

If you feel that it's a business that needs a big development investment or push by a sales team to fully realise its potential or stave off competition then by all means go for a significant level of funding, but it would be a shame to give up control of your business for just enough angel money to look after your living costs after you've done the hard bit of getting nearly there