Hi Brenda,
I'm not sure how far you've already gotten on this idea (which seems to be a good one by the way), but I always suggest to SBO's that you conduct a market survey. It can be done quite cost-effectively and there are even online tools that you can use. Whichever way you decide, it's important that you get a good understanding of what business owners would be expecting from a product such as yours.

The more input you can get, the better.

Good luck!