The Real Cost of a Real Estate Deal (What Most Canadian Agents Never Calculate)

You just closed a $500,000 sale. Your gross commission is $12,500.

You feel great. You should — you worked hard for that deal. But here's the question almost no agent asks after closing day:

How much of that $12,500 did you actually keep?

Not roughly. Not "most of it." The real number. After your brokerage split, transaction fees, HST remittance, marketing costs, and the tax reserve you should be setting aside for the CRA.

Most agents can't answer that question. And that's a problem — because if you don't know what a deal is actually worth to you after all costs, you can't make intelligent decisions about which opportunities to pursue, how much to spend on marketing, or whether your business model is sustainable.

Let's break it down.

Step 1: The Brokerage Split

Your brokerage takes their cut first. Depending on your split arrangement, this can be anywhere from 5% to 30% of your gross commission — or structured as a flat monthly desk fee plus a smaller percentage.

On a typical 80/20 split:

$12,500 × 80% = $10,000 (your share)
$12,500 × 20% = $2,500 (brokerage share)

Some brokerages use tiered splits — your percentage improves as your annual GCI crosses certain thresholds. Others cap the brokerage's take at a fixed annual amount. Either way, if you don't know exactly where you sit in your split structure right now, you're estimating your income with a margin of error that can swing thousands of dollars.

Know your cap. If your brokerage caps at $20,000 per year and you've already paid $18,000, the next deal hits differently than if you've only paid $4,000.

Step 2: Transaction Fees

Many brokerages charge per-transaction fees on top of the split — a flat amount or small percentage on every closed deal.

A 1% transaction fee on your $12,500 commission costs $125. That sounds small. But over 20 deals in a year, it's $2,500. Some fee structures cap annually; others don't.

These fees are easy to ignore because they're small individually. Collectively, they're a line item that matters.

Step 3: HST/GST

If you're registered for HST (which you almost certainly are if you're earning above $30,000 annually), you're collecting HST on your commission and remitting it to the CRA.

In most provinces, you charge 13% HST on your commission:

$10,000 (your share after split) + $1,300 HST collected = $11,300 invoice to brokerage

That $1,300 isn't yours. You collect it, you hold it, and you remit it. But many agents mentally count it as income until the remittance deadline arrives.

The offset: You can claim Input Tax Credits (ITCs) on HST you paid on business expenses — office supplies, marketing, professional fees, vehicle costs. This reduces your net HST owing. But if you're not tracking your business expenses with receipts, you're leaving ITCs on the table and paying more HST than you need to.

Step 4: Marketing Cost Per Deal

What did it actually cost you to generate this deal?

If you spent $15,000 on marketing this year and closed 15 deals, your average marketing cost per deal is $1,000. That means $1,000 of every commission effectively went to acquiring the next client.

This number varies wildly by source:

• Referral deals might cost you $0 in marketing (though you may pay a referral fee)
• Online lead generation might cost $2,000–$5,000 per closed deal when you factor in lead cost and conversion rates
• Sphere of influence deals typically have the lowest acquisition cost

If you're not tracking marketing spend by lead source, you have no idea which channels are profitable and which are burning money. You might be spending $3,000 to generate deals that net you $4,000 — a 25% margin that one bad month can wipe out.

Step 5: The Tax Reserve

This is the one that wrecks agents.

As a self-employed individual in Canada, nobody withholds income tax for you. Every dollar of net business income is taxable, and the CRA expects quarterly instalments if you owe more than $3,000 in a given year.

Depending on your province and total income, your combined marginal tax rate is likely between 30% and 45%. On your $10,000 commission (after split), you should be setting aside:

$10,000 × 35% = $3,500 tax reserve (conservative estimate)

That's $3,500 that feels like yours today but belongs to the CRA in April.

The agents who end up in financial trouble aren't the ones who had bad years. They're the ones who had great years, spent accordingly, and discovered at tax time that they owed $40,000+ they hadn't set aside.

If you take one thing from this article: set up a separate savings account and transfer your tax reserve percentage on every commission deposit. Not quarterly. Not monthly. Every single deposit.

The Real Number

Let's add it all up for our $500,000 sale with a $12,500 gross commission:

Line Item	Amount
Gross commission	$12,500
Brokerage split (20%)	-$2,500
Transaction fee (1%)	-$125
Marketing cost (per deal avg)	-$1,000
Tax reserve (35% of net)	-$3,106
Your actual take-home	$5,769

That's 46% of your gross commission. Less than half.

And this doesn't include your monthly operating costs — desk fees, insurance, professional development, MLS fees, vehicle expenses, phone, technology subscriptions — which eat into that number further.

Why This Matters

This isn't meant to be discouraging. It's meant to be clarifying.

When you know the real cost of a deal, you make better decisions:

• Pricing conversations become grounded in reality, not hope
• Marketing budgets get allocated to channels that actually produce profitable deals
• Goal setting starts from net income needs, not gross revenue targets
• Pipeline management reflects what deals are actually worth to you, not their sticker price
• Tax season becomes a non-event because you've been setting aside the right amount all year

The agents who build sustainable businesses aren't necessarily the ones closing the most deals. They're the ones who know exactly what each deal is worth — and build their business around that number.

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Agent Runway calculates your real per-deal profitability automatically — factoring in your specific brokerage split, transaction fees, expense ratio, and provincial tax rates. No spreadsheet required.

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