Today you should make sure your product or service is complete. It’s better to have something that is finished that something perfect; changes will come along the way. Take your product through its functions. Make sure that, when you get to the end, you’re where you want to be.
If you’re providing a service, run through the entire process start to finish and make sure you have everything you need for every step. Touch everything you will need. If you make a mental note to get something, you may not have its opening day.