Mark Castillo (@markdoesbooks) 's Twitter Profile
Mark Castillo

@markdoesbooks

Accountant/Bookkeeper | Badminton player 🏸. Chill but sharp with numbers. I help service businesses stay on top of their books so they can grow without stress.

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linkhttps://www.notion.so/marklancer/About-Me-1600a58630558162b234fc48de6dfbf8?pvs=4 calendar_today22-04-2025 03:22:58

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Run a 10-minute financial review before every big business decision. - Can we afford this? - Will this help margin, cash flow, or growth? - If it goes wrong, what happens? Less guesswork. More clarity.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

The hardest part of business isn’t sales. It’s trusting yourself when the numbers aren’t pretty. Anyone can celebrate a win. Few can stay focused when it feels like you’re losing.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

Messy books don’t just hurt your CPA. They hurt your next decision. Because when you don’t trust your numbers, you hesitate. And hesitation costs way more than cleanup.

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Growth isn’t about bigger offers or better marketing. It’s about knowing: - What’s working - What’s wasting - What’s worth doing again Then removing everything else.

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I thought building a business meant being available 24/7. Turns out, the goal is to build systems that protect your peace so you can step away and nothing breaks. That’s wealth.

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If your tax money sits in your main checking account, it’s already spent mentally. Separate account. Automated transfers. You’ll sleep better knowing the IRS won’t ruin your next vacation.

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Been deep cleaning a new real estate investor’s books this week. Learnings (again): - Most investors don’t track CapEx vs repairs correctly - Personal spend mixed into property accounts = disaster - No one’s looking at property-level cash flow monthly Busy, but worth it. Clean

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Your financial system should answer 3 questions: → Where did the money go? → What’s coming next? → Can I afford this decision? If it can’t answer these, it’s not a system. It’s noise.

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Most “growth plateaus” aren’t sales problems. They’re messy delivery, unclear pricing, and finances no one is tracking. You’re not stuck. You’re just overdue for cleanup.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

You don’t get clarity from thinking harder. You get clarity from doing the work and seeing what breaks. Then you fix it, one system at a time.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

The biggest lie I believed early on? “Once I hit $X/month, things will feel stable.” But stability doesn’t come from revenue. It comes from structure. Clean books. Tight ops. And a calendar that doesn’t drown you.

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If you doubled your clients tomorrow, what would break? → Onboarding? → Delivery? → You? That’s the real bottleneck. Fix it before you chase more growth.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

Your bank balance is not your profit. Your Stripe payouts are not your income. Your receipts folder is not your bookkeeping system. Close enough thinking = costly decisions.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

Set 1 money rule you always follow. Mine? No reinvesting unless taxes and owner pay are handled. Rules protect you when emotions try to make the decisions.

Mark Castillo (@markdoesbooks) 's Twitter Profile Photo

I used to think burnout meant I was doing too much. Now I know it often means doing too much without clarity. When I started tracking what actually moved the needle, I stopped feeling tired from things that didn’t.

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Your bookkeeping system should pass the 30-second test: → Can you tell how much you made this month? → Where it went? → What needs attention? If you need a spreadsheet, a guess, and a prayer, you don’t have a system. You have noise.