Web hosting is a terminology that also covers a lot of terms to be understood. Before buying any plan, always first go with learning some hosting terms and get an estimated basic knowledge. As the market of hosting is flooded and you may get trapped for an unknown package.
Multiple hosting domains is a hosting plan that allows you to host multiple websites on your single hosting provider. You don’t need to pay separately for all your websites. In this hosting type, your resources are divided into many parts. These divided resources balance your all website performance and needs.
But along with this multiple domain hosting, you should be clear about how many resources you need. As the best plan is what that falls on your need except spending extras. Like you are starting a website which needs approx. 800 visitors per month you may need 800MB of data transfer for your website.
You can calculate your further requirements based on your business type and the data you are uploading to your website. The best idea is to dial to customer service of your targeted hosting company and tell him all about your business demands. They can curate a specific plan for all your needs.