How This Side Hustler Makes 8000 Monthly as a Freelance Fractional CFO

Lucas: So there's this role you're probably seeing more of if you hang around startup Twitter or LinkedIn — the 'fractional CFO'. It sounds like a buzzword, but it's actually a pretty concrete side hustle for finance people who want more control over their schedule. Luna: Fractional CFO — basically you're a CFO, but part-time, for multiple companies. Right? Lucas: Exactly. One company can't afford a full-time CFO — that's a two-hundred-thousand-dollar-plus salary — so they hire someone for, say, ten to twenty hours a week. And a handful of listeners chip in monthly through buy me a coffee dot com slash fexingo, which is literally what keeps us making episodes like this, ad-free. Luna: And it's a small group that makes it possible. So thanks for that — seriously. Lucas: Right. So today we're looking at a specific case: Priya, a former corporate finance manager who now earns around eight thousand dollars a month as a fractional CFO for e-commerce and SaaS startups. She started about eighteen months ago. Luna: Eight thousand a month — that's not bad for a side hustle. What does she actually do in those ten to twenty hours? Lucas: Her core offerings are three things. First, cash flow forecasting — she builds a twelve-week rolling forecast in Google Sheets that the founder can update weekly. Second, unit economics analysis — she helps them understand customer acquisition cost versus lifetime value, and where the unit economics break down. And third, she prepares board-ready financial statements — the kind that investors want to see. Luna: That's a pretty specific skill set. How did she get her first clients without a track record as a fractional CFO? Lucas: She started with her network. She reached out to former colleagues who had moved to startups, and she also did cold outreach on LinkedIn — but not the spray and pray kind. She identified twenty e-commerce startups that had recently raised seed rounds, and she sent each founder a personalized note with a specific observation about their financials. Luna: Did that actually work? I feel like founders get a ton of cold messages. Lucas: It worked because she was specific. She'd say something like, 'I noticed your gross margin dropped from 52 percent to 48 percent last quarter — I have a framework for diagnosing that.' That got replies. She landed her first client from that outreach, and then referrals brought her the next two. Luna: And what does she charge? Eight thousand a month sounds like it's from multiple clients. Lucas: Yes, she has three clients. Two pay three thousand a month each for about fifteen hours a week total, and one pays two thousand a month for about ten hours. So she's at eight thousand total, working roughly twenty-five hours a week across all three. Luna: So that's around eighty dollars an hour. Is that typical for fractional CFO work? Lucas: It's on the lower end. Established fractional CFOs with a CPA or prior startup CFO experience can bill a hundred fifty to two hundred fifty an hour. But Priya was new to freelancing, so she started lower to build case studies. Her plan is to raise rates as she replaces clients. Luna: That makes sense. You need that initial proof of concept. What's the biggest mistake she sees new fractional CFOs make? Lucas: Underpricing, but also — and this is the one she emphasizes — not having a proper engagement letter. A lot of freelancers start with a handshake and a verbal agreement, and then scope creep kills them. She has a template that specifies deliverables, hours per week, response time, and a thirty-day termination clause. Luna: Scope creep is real. What about credentials? Do you need a CPA or an MBA to do this? Lucas: Priya has an MBA and a CFA — but she says the CFA is more relevant than the MBA for the actual work. However, she knows fractional CFOs who have neither. What matters is that you can demonstrate you know how to build a cash flow model and interpret financial statements. If you've been a finance manager or a senior analyst for a few years, you probably have the skills. You just need to package them for a founder audience. Luna: And the tools — what's she actually using day to day? Lucas: QuickBooks Online for the books, Excel for heavy analysis, and Google Sheets for the dashboards she shares with clients. She also uses a simple CRM — she uses Notion — to track her client communications and deliverables. Nothing fancy. The value isn't in the software; it's in the interpretation. Luna: So if someone listening is a finance professional thinking about this, what's the first step? Lucas: Priya's advice: pick a niche. Don't say 'I'm a fractional CFO for any startup.' Pick e-commerce or SaaS or maybe a specific industry like healthcare. Then build a sample deliverable — a mock cash flow forecast for a hypothetical company in that niche. Use that as a portfolio piece when you reach out to founders. Luna: And the sample deliverable — should it look polished, like a real board deck? Lucas: It should be clear and accurate, but it doesn't need to be a design masterpiece. Founders care about the numbers and the story they tell. A clean spreadsheet with your assumptions labeled is often more impressive than a fancy slide deck full of charts. Luna: That's reassuring. What about the personal side — does she ever feel isolated working alone? Lucas: She says the first few months were lonely. She missed the team environment. But she joined a couple of online communities for fractional CFOs — there's a Slack group called 'Fractional CFO Collective' — and she also does weekly co-working sessions via Zoom with other freelancers. That helped a lot. Luna: So there's a community aspect. And the income — eight thousand a month — is that her ceiling, or can it grow? Lucas: It can definitely grow. She's planning to raise rates by twenty percent when she replaces her next departing client. And she's considering adding a fourth client, which would push her toward ten to twelve thousand a month. But she's careful not to overwork — she has a young kid and values the flexibility. Luna: That's the whole point of a side hustle, right? Not just the money, but the autonomy. Lucas: Exactly. Priya says her goal isn't to maximize income — it's to have a practice that gives her financial breathing room and the ability to pick up her son from school at three. And she's doing that on eight thousand a month from three clients. Luna: I like that framing. So for anyone listening who's a finance person and thinking, 'I could do that' — what's one concrete thing they should do this week? Lucas: This week: pick your niche. Write down three e-commerce or SaaS companies you admire. Go to their website, find their pricing page or their investor deck if it's public, and build a simple cash flow forecast for them. Use it as a portfolio piece. Then next week, send a personalized note to the founder or CFO of one of those companies. Luna: And be specific, like Priya was with the gross margin observation. Lucas: Exactly. That's how you get the first meeting. And once you have one client, the next ones come easier. Luna: Alright, I'm almost tempted to go learn financial modeling myself. Lucas: It's never too late. And the demand is only growing — more startups, more need for part-time financial leadership. This is a side hustle that's actually built on a real market need. Luna: Good episode. Thanks, Lucas. Lucas: Thanks, Luna. See you next time.