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Photo: Rusty Clark, Flickr.

In retirement, most of us will need a steady stream of income. That can come from Social Security, our savings, a pension (if we're lucky enough to have one), an annuity (if we can afford one), and/or some other sources. Another source of retirement income to consider is the reverse mortgage, which has some meaningful drawbacks but also might be just what some of us need.

Reverse mortgage basics
Many retirees have considerable equity in their homes, often owning them outright. If they need money, they can take out a home equity loan, but that leaves them on the hook for repayments. A reverse mortgage is another option.

With a reverse mortgage, you are basically selling your home to a lender in exchange for money (in the form of a lump sum, an income stream, or a line of credit), and you also get to remain in the home for as long as you can. It's actually a loan, though. You have to repay the amount borrowed when you stop living in the home -- whether you move, sell the home, or pass away. At that time, the home can be sold to cover the debt, or your heirs can pay it off and keep the home.

Mortgage

A reverse mortgage can help you draw money out of your home.

The pros
Here are the main benefits of getting a reverse mortgage:

  • Cash in your pocket. A reverse mortgage gives you a big bundle of money or an income stream, without which you might struggle in retirement.

  • The income you receive is typically tax-free.

  • You get to stay in your home while receiving payments.

The cons
Here are, however, some drawbacks to a reverse mortgage:

  • Reverse mortgages have closing costs, just like regular mortgages do, and these tend to be higher. The applicable interest rates tend to be higher as well.

  • Receiving income from a reverse mortgage might hurt your eligibility for various benefits, such as Medicaid and Supplemental Security Income.

  • While you're living in your home with the money you received from the reverse mortgage, you'll still be responsible for expenses such as property taxes, home insurance, home repairs, and maintenance.

  • Once you leave your home, it will likely need to be sold to pay off the reverse mortgage. If you had hoped to leave the home to your children, you won't be able to unless you have sufficient sums elsewhere.

  • Not everyone will qualify for a reverse mortgage. If you're 62 or older and you own your home entirely, or owe very little on it, then you stand a good chance of qualifying.

  • You may not be able to receive as much money as you'd like. The amount you can borrow depends on several factors, such as how much longer you (and your spouse, if you have one) are expected to live, the value of the house, the equity you have in the house, and prevailing interest rates. Interest charges are added to the balance of the loan over time.
House

The bigger the home value and your equity in it, the more you can get from a reverse mortgage.

More to know
If you decide you're interested in a reverse mortgage, there's more to learn about. For example, there are three main kinds. The vast majority -- about 90% -- are federally insured home equity conversion mortgages, backed by the U.S. Department of Housing and Urban Development. There are also proprietary reverse mortgages, which are private loans, as well as single-purpose reverse mortgages, which some state and local government agencies and some nonprofit organizations offer primarily to lower-income folks to help them cover a single major expense, such as a home improvement.

Because reverse mortgages are complex, applicants are often required to consult a profession and explore alternatives. That's a good thing, because some people, especially the elderly, receive hard sells by salespeople who aren't looking out for their best interests. It's often smart for younger friends or family members to get involved and assess both the situation and any reverse mortgages offered.

What to do
The average Social Security benefit, as of September 2015, was $1,338 per month, or about $16,000 per year. Unless you have other income streams on the side, that won't be enough to live on, so building additional income streams is a smart thing to do. Before opting for a reverse mortgage, consult with a financial advisor or two to explore all your options.

Longtime Fool specialistSelena Maranjian, whom you can follow on Twitter, owns no shares of any company mentioned in this article. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.