Templates save you money: If you use a royalty_free template, it likely costs less than hiring someone to create a custom graphics package for you. You could easily spend hundreds (or possibly thousands) of pounds on a custom motion graphics opening, for example, whereas you can frequently purchase a royalty_free template for under £200. Of course, the royalty_free template isn't as unique as a totally custom template, but it definitely costs less, and you could always customize the royalty_free template to make it more unique for you.
You can use templates to help you get healthier. There are a couple of designs for a diet and exercise diaries and grocery lists. You can even create a household budget or a household chore list. Figuring out how long it will take you to pay of your home loan can be done using a Microsoft Word template. Seems like there might be template for every aspect of life.