Getting ready to buy a home? Then you’ve probably heard that you need to save for a down payment. When it comes to figuring out how much your down payment should be, most people advise 20% of a home's purchase price. But when you want to buy in a hot real estate market — or a market with homes worth more than the average city in the US — 20 percent of a home’s purchase price can easily soar over $100,000. And most of us would agree that saving $100,000 or more in cash is not an easy feat. Below, we compare the benefits of getting a 10% down mortgage versus a 20% down mortgage.

Yes, You Can Get a Mortgage with Less than 20 Percent Down

Thankfully, there’s some good news for hopeful homebuyers: the 20 percent rule isn’t hard and fast, and lenders will often underwrite your mortgage even with a smaller down payment. But there are a few catches. 20 percent is the gold standard, and lenders do prefer to see that you have that much available to put toward your purchase.

There are several reasons for this preference:

• Putting down more upfront means you need to take on less debt, which can also help increase your chances of getting the mortgage you want. Lenders usually can’t approve a mortgage that puts your debt-to-income ratio above 43 percent.
• Putting 20 percent or more down on your home helps lenders see you as a less risky borrower, which could help you get a better interest rate.
• A bigger down payment can help lower your monthly mortgage payments.
• With 20 percent down, you likely won’t have to pay PMI, or private mortgage insurance.

Clearly, there are good reasons for taking the time and effort to save the full 20 percent down payment. If that’s realistic for you, it’s a financially sound move to make. But again, when saving 20 percent means saving $100,000 or more in cash, it’s not financially irresponsible to look at putting down just 10 percent instead.

When It Makes More Sense to Put Down Less

You could argue in favor of the 10 percent down payment — even when you have the ability to put down more when you buy a home. Yes, you will need to pay PMI and your monthly mortgage payments will be slightly larger if you finance more of your home purchase. But the benefit is that you’ll keep more money in your pocket. This is an important factor to consider when you consider buying a home, since a home is a very illiquid asset.

If you funnel all of your cash into your home purchase and leave nothing in savings, you expose yourself to more risk in other areas of your financial life. You could face an unexpected expense like a medical bill — or something could go wrong with your newly-purchased house. You could lose your income stream if you got laid off soon after receiving your brand-new mortgage. Planning for emergencies like this can prevent you from having to dig yourself deeper into debt during financial stressed times.

One way to plan is to put 10 percent down on your home and remain liquid (through things like cash savings). This will give you some financial cushion to deal with unexpected expenses and whatever else life throws at you as you become a homeowner.

Another risk you face with a big down payment is a drop in your home’s value. While we usually assume homes are appreciating assets, that’s not always the case. It’s highly dependent on the time and place you buy and far from a guarantee.

The chart below summarizes the different pros and cons of 10% vs. 20% down:

10% Down Payment Mortgage	20% Down Payment Mortgage
Pros: Buy a home earlier Possibly enjoy home price appreciation earlier Keep money aside for home improvements or other expenses	Pros: Easier to get approved Smaller loan Avoid PMI Lower monthly payments More equity
Cons: Will likely pay PMI Higher monthly payments More challenging to get approved	Cons: Takes longer to save up More money tied up in the home Home equity can always decrease

Unison will match up to 10 percent of your down payment. If you can save 10 percent on your own, they’ll contribute another 10 percent to give you the full 20 percent you need for your mortgage. These funds aren’t a loan, so there are no monthly payments and no interest fees. Again, it’s an investment — so in addition to helping shoulder the burden of a big down payment, Unison shares in the appreciation or depreciation of your home’s value over time.

To learn more about a home ownership investment, check out Unison HomeBuyer to see if you’re a good fit. The program can help you finance just 80 percent of your mortgage while only requiring a 10 percent cash down payment, with Unison providing the other 10 percent.

Another option to consider is a piggyback loan, or 80/10/10 mortgage. A piggyback loan allows you to take out a mortgage to finance 80 percent of your purchase in addition to a second loan for 10 percent of the purchase price. That second loan makes up half your down payment.

You still need 10 percent in cash, but combined with funds from your second loan, you can get a mortgage without PMI without saving a full 20 percent down payment in cash. There are some drawbacks to consider. Piggyback loans add complication to your financial situation, and they still leave you in a position of financing 90 percent of your home’s purchase price. You need to pay off the second loan and make monthly mortgage payments. That’s unappealing to many potential homebuyers — and if it’s unappealing to you, it probably makes sense to avoid this option.

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