When a parent sends a sit request, the app will immediately notify you (you will receive a text and an IOS notification (if you elected to receive notifications). Through the ZipSit App you can either accept or pass. SIMPLE!
You need to be on the parent's favorite list for them to submit a sit to you, the more parents that have you on their favorite list, the more money you will make! Go ahead and introduce yourself to parents through the app to increase your favorites!