CHARLOTTE, N.C. Many have heard the saying necessity is the mother of all invention, so when two local moms needed babysitters, they set out to do something about it.

Corinne Martin and Lisa Bishop s idea came from a need and a community. The moms have lived in the same neighborhood for years but never met until recently.

Corrine has 4-year-old Layla and 11-month-old Kestyn and a business that allows her to work from home. Lisa is a new mom with five-and-a-half-month-old twins, and she saw Corrine's notice about the co-op in a neighborhood newsletter.

Mothers needing some parental help head to and find a co-op by entering zip code.

Both mothers have set up the rules for their co-op, which they hope will cover the Chantilly, Plaza Midwood and Elizabeth neighborhoods. Before exchanging babysitting services, members have to undergo home visits and be voted in by the group, and parents always have the final decision about who's watching their kids.

No money changes hands. It's all about points that the computer keeps up with.

Both mothers say it's an idea that can work for every parent. It doesn't matter if you stay at home or work outside the home.

For mothers, it's another way to meet people and build a community.

Click the video player to watch Sonja Gantt s full report.

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