MyBizNerd Guide

Tracking your business expenses doesn’t have to be a chore. Here’s how to set up simple systems,
use the right apps, and make sure you never miss a legitimate deduction.


Why Tracking Expenses Matters

Expense tracking is more than a tax task — it’s a window into your business’s health.
Done right, it helps you make better financial decisions, stay compliant, and keep more of what you earn.

  • Maximize deductions: You can only deduct what you document.
  • See true profit: Understand where your money actually goes.
  • Stay compliant: Organized records make IRS audits painless.
💡 MyBizNerd Take: Start with a separate business checking account — it’s the simplest way to keep things clean.

IRS Rules in Plain English

  1. Ordinary & Necessary: Expenses must be common and helpful to your business (IRS).
  2. Keep Receipts: Store receipts showing date, vendor, and business purpose.
  3. Accounting Method: Choose cash or accrual and stay consistent.
  4. Home Office: Deduct $5 × sq ft (max 300 sq ft) or actual expenses (IRS Pub 587).
  5. Vehicle Mileage: Standard rate for 2025 = $0.70 per mile (IRS announcement).

What to Track

Category Examples Notes
COGS Inventory, packaging, shipping-in Product-based businesses
Rent & Utilities Office rent, phone, internet Deduct business-use portion
Home Office Sq ft × $5 or actual costs Must be exclusively used for work
Vehicle Mileage or fuel + repairs Pick one method per vehicle
Equipment Laptop, tools, furniture Large assets may qualify for Section 179
Software & Ads Canva, Google Ads, hosting Fully deductible if business-related
Professional Fees CPA, legal, consultant Keep engagement letters/invoices

Your Monthly Expense Workflow

  1. Connect accounts: Link business checking + cards to your software.
  2. Tag weekly: Categorize transactions before they pile up.
  3. Upload receipts: Snap and attach right away.
  4. Reconcile monthly: Match books to bank statements.
  5. Backup data: Cloud + local copies = peace of mind.
🧠 MyBizNerd Take: Waiting until tax season is like doing laundry once a year — you will lose stuff.

Top Tools & Apps for 2025

QuickBooks Online

Bank feeds, auto-categorization, and receipt capture for growing teams.

Xero

Modern design and excellent multi-currency support.

Zoho Books

Affordable and great for solo owners needing time + expense tracking.

Wave Accounting

Free core tools for microbusiness invoicing and expenses.

Expensify / Dext

Smart receipt OCR + approval flows for small teams.

Everlance / MileIQ / Driversnote

Automatic mileage logs synced to IRS rates (Everlance guide).

Keeper

AI-powered expense categorization and tax savings (Keeper review).

Audit-Proof Your Records

  • Attach receipts with dates and vendors — digital copies count.
  • Log business purpose for travel and meals.
  • Maintain mileage or actual vehicle cost records.
  • Store files in two places (cloud + local drive).
Download MyBizNerd Expense Tracker →


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