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Why Your DIY Bookkeeping Might Be Costing You Thousands

January 6, 2026Krystal Le, CPA6 minutes
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Key Takeaway

Think you're saving money doing your own books? A Plano CPA explains the hidden costs of DIY bookkeeping—and when it's time to get help.

I get it. You started your business, money was tight, and doing your own bookkeeping seemed like the obvious way to save a few hundred bucks a month.

Here's the problem: DIY bookkeeping doesn't just take your time—it often costs you money you don't even realize you're losing.

Let me break down what I see when DFW business owners finally bring me their books.


The Hidden Costs of DIY Bookkeeping

1. Missed Deductions ($2,000 - $10,000/year)

This is the big one. When you're categorizing expenses yourself—usually in a rush, usually months later—things slip through.

I've reviewed books from Plano and Richardson business owners and found:

  • Business mileage never tracked
  • Home office expenses completely missed
  • Software subscriptions categorized as "miscellaneous"
  • Professional development written off as personal

Real example: A Frisco consultant came to me with two years of DIY books. In one afternoon, I found $8,400 in missed deductions. That's roughly $2,500 she overpaid in taxes. Per year.

2. Your Time Has a Value

Let's do the math.

If you spend 5 hours a month on bookkeeping (and most DIY business owners spend more), that's 60 hours a year.

What's your hourly rate? $100? $150? $200?

At $150/hour, you're "spending" $9,000/year on bookkeeping—except you're paying yourself to do work you're not great at, instead of doing what you're actually great at.

3. Errors That Compound

Bookkeeping mistakes don't stay small. One wrong category creates reports you can't trust. One missed reconciliation turns into three months of confusion.

By the time tax season hits, you're either:

  • Scrambling to fix everything (stress)
  • Filing with errors (risk)
  • Paying your CPA to clean up the mess (expensive)

I've seen cleanups cost $1,500 - $5,000. That's money that could've gone toward professional bookkeeping for most of the year.

4. Bad Data = Bad Decisions

Your books should tell you:

  • Which services are most profitable
  • Where you're overspending
  • Whether you can afford that new hire
  • How much to set aside for taxes

If your books are a mess, you're flying blind. I've seen DFW business owners make hiring decisions, sign leases, and take on debt based on numbers that were completely wrong.


The Warning Signs Your DIY System Isn't Working

Be honest—how many of these sound familiar?

  • You're more than 2 months behind on entering transactions
  • Your bank balance doesn't match QuickBooks (and you don't know why)
  • You have transactions categorized as "Ask My Accountant"
  • You dread opening your accounting software
  • Tax time is a scramble every single year
  • You're not sure which expenses are deductible
  • You've never reconciled your accounts

If you checked more than two boxes, your DIY approach is costing you.


When DIY Bookkeeping Actually Works

I'm not saying everyone needs a bookkeeper. DIY can work if:

  • You have fewer than 50 transactions per month
  • You're genuinely organized and consistent
  • You set aside time weekly (not monthly) to update your books
  • You understand basic accounting principles
  • Your business is relatively simple (one income stream, few expenses)

If that's you, keep doing what you're doing. Just get a CPA review once a year to catch what you might be missing.


When It's Time to Get Help

Consider professional bookkeeping if:

  • Revenue exceeds $100,000 — The complexity usually increases
  • You have employees or contractors — Payroll adds layers
  • Multiple income streams — Harder to track accurately
  • You're always behind — The stress isn't worth it
  • Your CPA keeps finding errors — Prevention is cheaper than cleanup
  • You'd rather focus on your business — That's what you're good at

What Professional Bookkeeping Actually Costs

For a typical DFW small business, expect:

  • Basic bookkeeping: $200 - $400/month
  • Full-service (including payroll): $400 - $800/month
  • Catch-up/cleanup: $500 - $2,000 (one-time)

Compare that to the $2,500+ in missed deductions, the 60+ hours of your time, and the stress—professional bookkeeping often pays for itself.


What to Look for in a Bookkeeper

If you're ready to hand this off, here's what matters:

Must-Haves

  • Experience with your industry
  • Familiarity with your accounting software (QuickBooks, Xero, etc.)
  • Clear communication and responsiveness
  • Monthly reconciliation included
  • Works with your CPA at tax time

Nice-to-Haves

  • Located in DFW (easier for meetings, understands local business)
  • Can handle accounts receivable/payable
  • Offers financial reporting and insights

Red Flags

  • No clear pricing structure
  • Can't explain their process
  • Doesn't reconcile monthly
  • Won't coordinate with your CPA

The Bottom Line

DIY bookkeeping feels like you're saving money. But when you factor in missed deductions, your time, errors, and stress—you're probably not.

If you're a business owner in Plano, Richardson, Frisco, or Dallas and your books are a source of anxiety instead of insight, let's talk. Sometimes the best business decision is admitting you don't have to do everything yourself.

Drowning in your own books? Let's fix that →

— Krystal Le, CPA


LeCPA provides bookkeeping and accounting services for small businesses across Plano, Richardson, Carrollton, Frisco, and Dallas.

Krystal Le, CPA

Krystal Le, CPA

Founder, LeCPA | Accounting & Tax

Krystal has over a decade of experience helping DFW small business owners, real estate investors, and high-income professionals minimize their tax burden and build wealth strategically.

Learn more about Krystal

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