Ultimately, it boils down to a balance between cost, features, and risk. It's always tempting to simply jump on the lowest-cost solution, but the fact that email is ubiquitous keeps this from being the smart play. It's nearly impossible to escape using it, which means your users, your customers, and the guts of your business have all come to depend on it in different ways. You need to discover those ways, evaluate them, and then choose a service that either meets or improves on them. This takes time, discussion with your IT staff, and some investigation; these are steps you don't want to skip. Otherwise, you'll pay for it later.
Things are probably more complicated than that, though. As a recent survey conducted by market research firm Statista clearly shows, email is one of the most popular apps for mobile devices across most organizations and even consumers. Given how many workflows, business processes, and just plain important communications take place over email, this is one area where you likely shouldn't skimp.
Website builders and WordPress let you create an online presence with little to no coding knowledge required. If this is what you need for setting up your site, make sure your web host provides integration for the site builder you want to use. Easy installations for WordPress or pre-installed website builders with ready-made templates are ideal for those who want to drag and drop elements of their site into place — where what you see is what you get (WYSIWYG).
In terms of what many vendors call unlimited service, Web Hosting Pad's terms of service indicate that its definition of unlimited is what it calls "incremental." Basically, as you need more capability, it wants to discuss that with you, both to help you get the most out of its services, and to make sure you're using its systems without abusing them.
Follow the instructions on the screen, and when you’re satisfied you can go ahead and publish it for the world to see. By default, sites created with Website will follow the domain structure: “yourcompanyname.business.site.” A custom domain can be purchased from the Settings menu in your account, and Google will automatically connect your site with the new domain.