Ask HN: How Hard Is $10K MRR in a B2C SaaS?

Imagine this:

You’re building a $15/month SaaS.

To hit $10K MRR, you only need about 700 paying users.

Now, suppose you’re an indie hacker with no audience — but you have a stable income from your day job and can afford to run ads.

Will it be hard to get there?