And what to do based on your business size, structure, and experience
Intro
Running a business is hard. Running it without a handle on your finances? That’s how good businesses burn out before they ever grow.
Most small business owners didn’t go to school for accounting or finance. And yet, every day, they’re expected to make big money decisions on gut instinct or bank balances.
If that sounds like you—you’re not alone. But these common mistakes? They’re fixable. And the right approach depends on where you are in your journey.
1. Running Your Business From Your Bank Balance
What’s the problem?
That bank balance? It’s lying to you. Just because it shows $12,000 doesn’t mean you actually have $12,000. A lot of that money likely already belongs to someone else—vendors, employees, tax agencies, etc.
Who it hits hardest:
- New sole props or LLCs without a formal system
- Service businesses with irregular revenue
- Contractors and trades with delayed payouts and high upfront costs
What to do instead:
- Set up cash flow forecasting—monthly at a minimum, weekly if your cash is tight
- Use software like QuickBooks Online or Xero to get real-time reporting
- For project-based businesses, implement job costing and work-in-progress (WIP) reports to avoid overestimating availability
2. Mixing Personal and Business Expenses
What’s the problem?
Blending personal and business expenses is an audit risk, a tax nightmare, and a fast way to lose liability protection if you’re structured as an LLC or S-Corp.
Who it hits hardest:
- New LLCs or sole props who don’t separate accounts
- S-Corp owners using personal cards “just this once”
- Cash-heavy businesses like trades, salons, or food trucks
What to do instead:
- Open a business bank account and credit card based on your entity structure
- Track owner reimbursements properly—not through random transfers
- Use a mileage log, accountable plan, or owner’s draw strategy depending on your setup
3. Not Paying Yourself (or Doing It Wrong)
What’s the problem?
When you either avoid paying yourself to “reinvest,” or you just take money when you need it, it creates chaos. No consistent cash flow, no tax clarity, no baseline for growth.
How it depends on structure:
- Sole prop or single-member LLC: Take owner’s draws—you don’t need payroll
- S-Corp: You’re legally required to run reasonable payroll for yourself
- Partnerships: Partner draws are standard, but must align with your capital and tax setup
What to do instead:
- Use the 50/30/20 rule (50% operations, 30% pay, 20% taxes/savings) as a starting point
- Use payroll software like Gusto if you’re an S-Corp
- Reassess your compensation structure quarterly as you grow
4. DIYing the Financials for Too Long
What’s the problem?
Doing it all yourself might save money short term—but it almost always leads to missing tax deductions, cash flow red flags, and poor decision-making.
Stage-specific advice:
- Under $100K/year: You can DIY, but you must close your books monthly and review reports
- $100K–$500K/year: Time to outsource bookkeeping and get quarterly reviews with a strategic advisor
- $500K+ or growing fast: Bring in a fractional CFO for forecasting, pricing strategy, and proactive tax planning
What to do instead:
- Build a financial support team: bookkeeper, tax pro, and a CFO/advisor
- Avoid “cheap help”—look for experienced, industry-specific support
- Make financial reviews a regular part of your business rhythm
5. Waiting Until Tax Season to Think About Taxes
What’s the problem?
If your accountant only hears from you in March, it’s already too late to do much tax-saving.
How your structure plays into this:
- Sole props & LLCs: Often miss big savings like the S-Corp election or retirement plan strategies
- S-Corps: Need to proactively plan distributions, salary levels, and expense strategies
- Project-heavy businesses: Can benefit from tools like bonus depreciation, Augusta Rule, and contractor deductions—but only if you’re tracking in real time
What to do instead:
- Schedule quarterly tax planning sessions
- Track potential deductions and strategies all year
- Ask better questions: not “Can I write this off?” but “How can I structure this to keep more long term?”
Final Thoughts
The biggest financial mistake? Thinking these things don’t apply to you.
Every stage of business has its own set of challenges—but also its own opportunities. The earlier you set up good habits and smart systems, the faster you grow (without burning out).
Need help getting there?
Let’s talk about what’s really going on in your numbers—and what’s possible when they finally start working for you.
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