Your next major concern will be compatibility. It's not a shock that most businesses run on Microsoft Windows and use some form of Microsoft Office. Being able to use common third-party clients such as Microsoft Outlook can often be a concern, and even today, compatibility with Microsoft Outlook isn't necessarily guaranteed. This is especially true when sending and receiving meeting invites. It only takes one garbled meeting invite to realize how frustrating this can be in the real world. Even if using Microsoft Outlook isn't a concern, portability is. If the service is entirely web-based, then is there a means for me to take my email offline and send email when I connect?
You can create a free website with Wix that comes with a Wix domain. To instantly look more professional online, get a custom domain name. It adds credibility to your brand and helps visitors find you online. You can start building your brand by using your domain in a custom email address ([email protected]), your social channels, email marketing campaigns and more.
A dedicated server will likely cost you more than $100 per month; it's definitely not cheap web hosting. The benefit? Your website lives on a server all by its lonesome, so it takes advantage of the server's full resources. You'll probably need to handle firewalls, updates, and maintenance yourself, however, unless you opt for a managed server, which costs even more money.