90% of Co-Buying Home Deals Fail. Here’s Why

Thinking about buying a house with friends or family? Pause — this could destroy both your relationships and your finances.
In today’s market, co-buying is trending fast. But after 30 years in mortgages, I can tell you the hard truth: 90% of joint purchases end badly — financially, emotionally, or both.

I’m Ella Gurfinkel, Senior Loan Officer with 30 years of experience and over 2,000 families served. In this episode, I break down exactly why co-buying usually fails, when it can work, and what smarter alternatives look like if you can’t afford a home on your own (yet).

💡 You’ll learn:

• 🚩 Why most co-buying arrangements turn into disasters
• 🤝 The difference between co-borrowers and co-signers (and which is riskier)
• 💳 How co-signing can quietly ruin your credit and future buying power
• 🧠 The red flags that scream “don’t do this”
• 🏠 When co-buying can work — and the strict rules it requires
• 🔄 Better alternatives if you’re not ready to buy solo

Whether you’re thinking about buying a duplex with friends, asking parents to co-sign, or pooling money for a down payment — listen before you sign anything.

👉 Ready to talk through your options the smart way?
 📅 Book a free consultation: https://calendly.com/teamella/a-conversation-with-ella-gurfinkel

What is #AskElla SHOW?

Hi, I'm Ella Gurfinkel, your host of the AskElla Show and senior loan officer at Fairway Independent Mortgage. On my podcast, I cut through the noise to bring you honest conversations about real estate, mortgages, and financial planning.

I interview industry experts to tackle everything from homebuying basics to complex topics like reverse mortgages, trusts, and market trends. With decades of experience, I'm passionate about dispelling myths and providing clear, actionable advice.

Whether you're buying your first home, refinancing, or planning for retirement, I'm here to help you make informed decisions. Join me for straightforward talk about real estate and beyond!

Buying together with family, co-signers, and friends. The brilliant idea destroys more friendships than money. With home prices skyh high, more people are buying houses with friends or dragging parents as co-signers. Sounds smart, right? Well, I'm about to show you why 90% of these deals end in disaster and the 10% that actually work. Get this wrong and you'll lose your house and your relationships. Don't be the next Reddit horror story.

I'm Gerfinkle, senior loan officer with almost 30 years of experience and over 2,000 families served. And I've seen co- buying success stories and I've seen friendships destroyed over mortgage payments. So today I'm giving you the brutal truth about buying with others when it works, when it doesn't, and how to protect yourself if you're crazy enough to try it. Here's what's happening. Home prices are so freaking insane that people are getting desperate. I'm seeing more co- buying requests than ever. Friends pulling money for duplexes, adult children dragging parents in as co-signers, couples buying with other couples. And you know what? I get it. When you can't afford a $500,000 house alone, but you can afford it with your buddy, it seems like genius math. But here is what nobody tells you. Buying a house together is like getting married without the legal protections. And just like marriages, about half of these arrangements end badly. The difference when marriages end, there are divorce laws. When co-ownership ends, there is chaos. Let me break down the three ways people try this and why most fail. Option number one, co-barorrowers, both on title and loan. This is when you and your friend both apply for the mortgage together. The bank looks at both of your incomes, both your credit scores, both your debts. The good, combined income might get you approved for more. The bad, the bank uses the lowest credit score between you. So, if your friend has a 580 score and you have a 780, guess what rate you're getting? The ugly. You're both 100% responsible for the full payment. If your friend stops paying, the bank comes after you for the entire amount. Option number two, cosigner. Parents help you qualify, right? This is when mom or dad cosign to help you get approved, but they don't live in the house. The good, their income and credit can help and you qualify. The bad, this mortgage shows up on their credit report as their debt. It affects their debt to income ratio for any future loans they want. The ugly. If you screw up, you're not just ruining your credit, you're destroying your parents' financial future. Option number three, one person buys, others contribute. This is the shadyiest version where one person gets the mortgage, but friends chip in for down payment or monthly payments. The good, simpler mortgage process. The bad, the contributors, in air quotes, have zero legal ownership. Now, the ugly. When relationships go south, the contributors have no legal recourse. Here's why this was trending in 2025. Co- buying among millennials is all over the news. With median home prices still elevated and rates around six and a quarter, people are getting creative. I get it. But here is what the feel-good articles don't tell you. Most of these arrangements don't have proper legal documentation. People are going in with handshake deals and hoping for the best. I've seen the aftermath. It's not pretty. Look, I am not completely against co- buying. There are situations where it works. Co-ying works when you have a detailed legal agreement covering everything. All parties can afford the full payment if others bail. You have a clear exit strategy. Who buys out whom, when, and at what price? You're buying an investment property, not an emotional home. The relationship is rock solid. Think siblings, not college roommates. Co-signing works when the primary borrower can truly afford the payment alone. The co-signer understands they're 100% liable. There is a plan to remove the co-signer within two to 3 years. The co-signer doesn't need their credit for other major purchases. I talk about this with clients all the time. I've had situations where the parents wanted to cosign for a kid and at the same time were planning to make their own purchase. Well, if they can't qualify for multiple mortgages on their own, meaning the parents, then co-signing would hurt their chances of buying a property they want or a sibling or another relative for that matter. So knowing what the implications of co-signing are is something that needs to be discussed every single time there is a co-signer. Red flags that scream disaster ahead. We'll figure the details later. One person is clearly carrying the others financially. No written agreement about what happens if someone wants out. Co-signing because the primary borrower almost qualifies. buying together because neither can afford it alone. Come on, real talk. If you need a co-signer to qualify, you probably can't afford the house. If you need friends to chip in for the down payment, you're not ready to buy. Before you risk your relationships, consider this. Buy a smaller place you can afford a loan. Wait and improve your financial situation. Look at different areas or property types. Use legitimate down payment assistance programs. And sometimes the best financial decision is waiting until you are truly ready. The bottom line, co- buying isn't automatically bad. It's just risky as hell, that's all. So, if you're determined to do it, you need a bulletproof legal agreement and realistic expectations. Thinking about co- buying or co-signing? Don't make this decision in a vacuum. Book a consultation with me. The link is below. I'll walk you through the mortgage implications and help you understand what you're really signing up for. Protect your money. Protect your relationships. Make smart decisions.