Most sellers focus on one number: what their home will sell for. But the sale price and the amount you actually walk away with are two very different things. The costs of selling a home add up faster than expected — and the sellers who feel best about their transaction are the ones who planned ahead.

Here are 5 hidden costs every seller should budget for.

1. Agent Commissions

The single largest cost most sellers pay. Traditionally around 5% to 6% of the sale price — on a $400,000 sale, that’s $20,000 to $24,000.

Commission structures are evolving, so ask your agent to break it down in plain terms during your listing consultation. Understand what you’re paying and what services are included before you sign.

2. Closing Costs

Seller closing costs typically run 1% to 3% of the sale price and include title insurance, escrow fees, transfer taxes, recording fees, and prorated property taxes.

On a $400,000 sale, that’s $4,000 to $12,000 depending on your location. Ask your agent for a seller’s estimated net sheet early — it breaks down your sale price minus all costs so you know what you’ll walk away with.

3. Repairs and Pre-Listing Improvements

Most sellers spend $1,000 to $5,000 getting their home market-ready — paint, carpet, minor fixes, staging touches. Then there are repairs that come after the home inspection, which often involve negotiation.

Walk through your home with your agent before listing and focus on the highest-impact, lowest-cost fixes — the ones that affect how the home photographs, shows, and holds up during inspection.

4. Mortgage Payoff and Potential Penalties

Your remaining mortgage balance gets paid from sale proceeds at closing. What catches some sellers off guard is a prepayment penalty — a fee for paying off the loan early, typically within the first 3 to 5 years.

Contact your lender early and ask for a payoff estimate, whether there’s a penalty, and what the daily interest rate is. The costs of selling a home always include the mortgage payoff — knowing the exact number early helps you plan.

5. Carrying Costs If Your Home Takes Longer to Sell

Every month on the market, you’re still paying mortgage, taxes, insurance, HOA dues, and utilities. On a home with a $2,500 monthly payment, an extra two months costs you $5,000.

This is one of the strongest arguments for pricing correctly from the start. A well-priced home that sells in 30 days costs far less than an overpriced home that sits for 90 and sells for less anyway.

Know the Full Picture Before You List

The costs of selling a home don’t have to be stressful — they just have to be expected. A good agent walks you through every cost before you sign anything. That transparency is what separates a good experience from a frustrating one.