What's the first thing on your list _ The first thing that needs to be done is choose a date for this very special occasion. If it's going to be a surprise for the mom to be you may want to consult with her significant other. He may be able to give you an idea of her schedule and when would be the best time to completely surprise her. He'll most likely want to help and may come up with a way to get her to the party. When the date is established check it off of your list.
The checklist should be in writing. If some representing themselves as a home watch company cannot produce a written checklist, save your time and money. These are people who will 'work from memory' to accomplish what they do. How can they show accomplishment of each item? Just ask them! Without a written checklist you have no idea what was actually done. They may have run through the property and ensured there were no fires, and left. Without a written checklist, you have no idea. A good company will keep the checklist for reference in case they believe there may be a problem in the future.