1. Save on multiple drivers with a multi-car discount.

2. Many insurance companies treat domestic partnerships the same as a marriage.

3. Domestic partner insurance consolidates finances and bills.

4. Domestic partners can then combine their car insurance policy with property insurance such as renter's or home owner's insurance.

5. Different companies offer different discounts for couples. When the couple compares several quotes, they can find the best company for their family.

6. Domestic partner auto insurance companies recognize the partnership based on different factors. Unless defined by state law, each company may have different requirements.

7. Currently, three states recognize same-sex marriage: Connecticut, Massachusetts, and Iowa.

8. Currently, four states recognize civil unions: Connecticut, New Jersey, New Hampshire, and Vermont.

9. Currently, six states and one territory recognize domestic partnerships: California, Hawaii, Maine, Maryland, Oregon, Washington, and the District of Colombia.

10. The cities of New York, San Francisco, Cleveland, Cleveland Heights, and Toledo all have domestic partnership registries that have been passed into law.