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.
Second on the list _ A budget is the next thing to think about. Is money no object or will it be important to get the most out of every dollar. In either case you can present a lovely party for the mom to be. If more than one person is helping to pay for the shower get together and have an honest discussion about what you can afford. If one person has less money to contribute maybe they can offer their house as the place to hold the party. A lot is involved in getting ones home in top shape for entertaining. Discuss ways to stay in budget. Does someone know where to get a good discount on something that is needed? Do you enjoy crafting or baking? How can your skills contribute? When the budget is finalized check it off the list.