You're facing a hard sell here for being first in market. You will need to convince your first clients that the money is worth investing by showing the benefits. It's very possible that you will have to make a deal for a lower price or even free for family and friends who can help you built a portfolio and provide testimonials.

Businesses that offer exceptional service progressively grow organically over time, without much marketing dollars, especially if you get to built a reputation that generate enough worth of mouth and referrals. Then, when you have a budget, you can think of investing in some marketing efforts.