Think of templates as ‘clothes’ for your website. If you don’t like one set of clothes, just change to another one to give your website a completely different feel. And again, don’t rush into it. Choose different templates, browse them, see if they fit. The whole point of templates is choice, so dive in and find one that feels right for what you want to achieve.
You can absolutely do that. If you want to upgrade to a paid plan to get some of the features you want, then you can switch at any time through the My Products option in your account or with the help of a GoDaddy Guide. Once you upgrade your site will have all the same customizations and work that you've already put in place, just with the added features.
The best way to create a website is to find a web host that has all the services your website needs, and that offers a website building application that will create the type of site you want. This way, your site will be up and running quickly. Even though these website builders do a lot of the work, you’ll need a good plan, an efficient design, and engaging content before you create your website and publish it on the web.