Mortgage vs Renting — How to Compare the True Cost

The “rent is throwing money away” argument is one of the most persistent myths in personal finance. The reality is more nuanced. Whether buying or renting is cheaper depends on your specific numbers, location, and timeline.

The True Cost of Owning

Your monthly mortgage payment is just the beginning. The full cost of homeownership includes:

• Mortgage interest — on a 25-year mortgage, you’ll typically pay 50–80% of the home’s price in interest alone
• Property taxes — varies widely by location, typically 0.5–2.5% of home value per year
• Home insurance — $1,000–$3,000+ per year depending on coverage and location
• Maintenance and repairs — budget 1–2% of home value annually. A new roof, furnace, or plumbing issue can cost $5,000–$20,000
• Closing costs — 2–5% of the purchase price when buying, plus agent fees (typically 5%) when selling
• Condo/strata fees — $200–$800+/month for condos and townhouses

The True Cost of Renting

Renting is simpler but not free of hidden costs:

• Monthly rent — your base cost, typically increasing 2–5% annually
• Renter’s insurance — $15–$40/month (much cheaper than home insurance)
• No equity building — rent payments don’t build ownership. But see the opportunity cost section below.
• Moving costs — if you move frequently, these add up

The Opportunity Cost Most People Ignore

When you buy a home, your down payment is locked into a single asset. If you rent instead and invest that same down payment in a diversified portfolio, the returns can be substantial.

Example:
Down payment: $100,000
Home appreciation: 3% per year
Stock market return: 7% per year (historical average)

After 10 years:
Home equity from appreciation: ~$34,000
Investment portfolio growth:   ~$97,000

Difference: ~$63,000 in favor of investing

This doesn’t mean renting always wins — it depends on local home appreciation, your investment discipline, and how long you stay.

The Break-Even Point

The break-even point is how long you need to own before buying becomes cheaper than renting. Due to closing costs, transaction fees, and front-loaded mortgage interest, this is typically 5–7 years in most markets.

Key factors that shift the break-even:

• Shorter break-even: high rent relative to home prices, rapidly appreciating market, low interest rates
• Longer break-even: high home prices relative to rent, high interest rates, expensive closing costs

If you plan to move within 3–4 years, renting almost always costs less after transaction fees.

How to Run the Comparison

For an honest comparison, add up these numbers for both scenarios over your expected timeline:

1. Total housing payments — mortgage + taxes + insurance + maintenance vs. rent + renter’s insurance
2. Equity built — principal paid down + appreciation (minus selling costs)
3. Investment returns — what the down payment and monthly savings (if renting is cheaper) would earn invested
4. Tax implications — mortgage interest deductions (where applicable) vs. capital gains on investments

The Non-Financial Factors

Some things don’t fit in a spreadsheet:

• Owning gives you stability and the freedom to renovate
• Renting gives you flexibility to relocate for career opportunities
• Owning builds forced savings discipline (mortgage payments happen whether you feel like it or not)
• Renting frees your weekends from home maintenance

Run the numbers first, then weigh the lifestyle factors. The best financial decision is the one you’ll actually follow through on.

Related Tools

• Mortgage Calculator — estimate monthly payments and total interest for any mortgage
• Compound Interest Calculator — see how investing your down payment could grow over time
• Budget Calculator — plan your monthly spending to fit housing costs