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Cashflow vs Profit - Critical Difference Explained (NZ)
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Running a business by the numbers
๐ต Cashflow vs Profit - Critical Difference
Cashflow is actual money moving in and out. Profit is accounting measure (revenue minus expenses on paper). You can be profitable on paper but broke in reality if cash timing mismatches. Profit doesn't pay bills - only cash does. Many NZ businesses fail despite being "profitable" because they run out of cash. Understanding this distinction is critical for survival.
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Summary: Cashflow = actual money in/out (timing matters). Profit = accounting measure (revenue - expenses on paper). Can be profitable yet broke, or unprofitable yet flush with cash. Common cashflow killers: irregular income (contractors), irregular expenses (annual rates/insurance hitting certain months), payment terms (paid quarterly but expenses monthly). Solution: income smoothing accounts, setting aside for irregulars monthly, cash buffers. Cashflow pays bills, profit doesn't.
The Core Difference
Cashflow:
- Actual money in your bank account
- When it arrives and when it leaves
- Timing is everything
- What pays your bills
Profit:
- Accounting measure on paper
- Revenue minus expenses (regardless of timing)
- Can exist without any cash
- Doesn't pay bills
Why This Matters
Example: Profitable but broke
- Complete $50,000 job (revenue recorded)
- Costs were $30,000 (expenses recorded)
- Profit on paper: $20,000
- But client pays in 60 days
- Your suppliers want payment in 7 days
- Result: $20k profit but $0 cash = can't pay suppliers
Example: Loss on paper but cash positive
- Receive $100,000 deposit for future work
- Haven't done work yet = $0 revenue recorded
- Profit on paper: $0 or negative (if expenses incurred)
- But have $100k cash in bank
- Can easily pay all bills despite "loss"
๐ Cashflow Timing Problems
Irregular Income (Contractors, Freelancers)
The Problem:
- Income varies month to month
- Some months $15,000, some months $5,000
- Annual total adequate ($120,000/year = $10k/month average)
- But expenses regular $6,500/month
What Happens:
- Good month: $15k in, $6.5k out = +$8.5k surplus
- Lean month: $5k in, $6.5k out = -$1.5k deficit
- Without buffer, deficit months create crisis
- Use credit card, overdraft, stress
Solution: Income Smoothing Account
- ALL income deposits into smoothing account
- Transfer FIXED amount monthly to main account (say $8,000)
- Main account receives steady $8k regardless of actual income
- Smoothing account buffer absorbs variation
- Good months build buffer, lean months draw on buffer
Irregular Expenses (Annual Bills)
The Problem:
- Monthly expenses: $4,500 (manageable)
- Income: $6,000/month ($72k year)
- Should have $1,500/month surplus
- But certain months get hit with:
- January: Rates $2,400 + school costs $800
- July: Car insurance $1,200 + WOF/rego $300
- October: House insurance $1,800
- These months go into deficit despite adequate annual income
Solution: Monthly Allocation for Irregulars
- Calculate total annual irregular expenses
- Rates $2,400 + Insurance $3,000 + Car $1,500 + School $1,200 = $8,100
- Divide by 12 months = $675/month
- Set aside $675 monthly into separate account
- When irregular expense arrives, pay from this account
- Spreads cost evenly, prevents monthly cashflow shocks
๐ Real NZ Scenarios
Scenario 1: Sarah - Salaried Worker with Irregular Expenses
Situation:
- Income: $5,500/month after tax (stable)
- Regular expenses: $4,200/month (rent, groceries, utilities, petrol)
- Monthly surplus: $1,300 (seems comfortable)
The Problem:
- Certain months destroyed by irregular expenses:
- January: Car registration $380 + insurance $900 = $1,280
- April: Rates $600
- June: Dentist $400
- October: Car service $450
- December: Christmas $800
- Total irregulars: $3,830/year = $319/month if spread
What Was Happening:
- Most months: save $1,300
- January: expenses $5,480, income $5,500 = $20 left
- Savings from previous months wiped out
- Never got ahead despite adequate income
Solution Implemented:
- Calculated $319/month needed for irregulars
- Set up separate "irregular expenses" account
- Auto-transfer $320/month into this account
- When irregular expense arrives, pay from this account
- Main budget now: $4,200 regular + $320 irregular = $4,520
- Surplus: $980/month (now sustainable)
Scenario 2: James - Contractor with Irregular Income
Situation:
- Annual income: $120,000 ($10k/month average)
- Partner income: $26,400 ($2,200/month stable)
- Combined: $146,400/year = $12,200/month average
- Expenses: $6,550/month
- Should be very comfortable with $5,650/month surplus
The Problem:
- James' contracting income wildly irregular:
- Good months: $15,000
- Lean months: $5,000
- Average $10k but never know which month will be which
Cashflow Crisis:
- Lean month: $5k (James) + $2.2k (partner) = $7,200 income
- Regular expenses: $6,550
- Buffer: only $650
- Then irregular expense hits (rates $2,400 or car repairs $1,200)
- Deficit = use credit card, stress, cycle continues
Solution: Income Smoothing
- Set up separate "income smoothing" account
- ALL of James' contracting income deposits here
- Transfer fixed $8,000/month to main account
- Partner's $2,200 goes directly to main account
- Main account receives $10,200/month (stable)
- Expenses $6,550 = $3,650 surplus (sustainable)
- Smoothing account absorbs variation:
- Good month: $15k in, $8k out = +$7k builds buffer
- Lean month: $5k in, $8k out = -$3k draws on buffer
- Over time, buffer stabilizes around 3-4 months expenses
โ Cashflow Management Checklist
Diagnose Your Cashflow Situation:
- โ Do you have positive cashflow most months or struggling monthly?
- โ Is your income regular (salary) or irregular (contracting/business)?
- โ Are your expenses regular or irregular (large annual bills)?
- โ Do you use credit card/overdraft regularly to cover gaps?
- โ Calculate: Annual income รท 12 = monthly average. Is this adequate for expenses?
If Income Irregular:
- โ Set up income smoothing account
- โ Calculate monthly average income (annual รท 12)
- โ Transfer this fixed amount monthly to main account
- โ Build buffer in smoothing account (target 3-4 months expenses)
- โ Good months build buffer, lean months draw on it
If Expenses Irregular:
- โ List all annual irregular expenses:
- Rates: $______
- Insurance (house, car, contents): $______
- Vehicle (rego, WOF, service): $______
- School costs: $______
- Other predictable irregulars: $______
- Total: $______
- โ Divide total by 12 = $______ per month
- โ Set up separate "irregular expenses" account
- โ Auto-transfer this amount monthly
- โ Pay irregulars from this account when they arrive
General Cashflow Health:
- โ Maintain cash buffer: 1-3 months expenses in main account
- โ Separate accounts for different purposes (main, smoothing, irregulars, savings)
- โ Track actual cashflow weekly/monthly (not just budget)
- โ If cashflow consistently negative despite adequate income:
- Problem is timing (irregular income/expenses)
- NOT insufficient income
- Solution: smoothing and allocation, not earning more
Warning Signs You Have Cashflow (Not Income) Problem:
- โ Annual income adequate but monthly struggles
- โ "Good months" vs "panic months" with same income
- โ Regularly using credit card to cover gaps
- โ Paying bills late waiting for money to arrive
- โ Can't explain where money goes despite tracking
- โ Profitable on paper but always short on cash
Remember:
- โ Cashflow pays bills, profit doesn't
- โ Timing of money matters more than annual total
- โ Irregular income + regular expenses = cashflow crisis
- โ Regular income + irregular expenses = cashflow crisis
- โ Solution: smoothing and allocation, not more income
๐ฏ Test Your Knowledge
Quiz on Cashflow vs Profit
1. Why does cashflow differ from profit?
2. When can a business be profitable yet still broke?
3. What are bills actually paid with?
4. Why did a contractor earning $120k a year struggle with cashflow every month?
5. Why did Sarah, earning $80k, struggle in certain months?
6. How should you manage annual irregular expenses?
7. Why did James, a contractor earning $120k, struggle with cashflow?
8. How does an income smoothing account work?
9. What is a warning sign of cashflow problems?
10. What does the phrase "you pay bills with cash, not profit" mean?
Related guides
- Cashflow Management Guide - NZ Personal Finance, a related guide in the same area.
- Profit Margin Guide, a related guide in the same area.