If you are just starting your website and don’t receive very much traffic, then shared hosting is the ideal solution. However, if your website’s audience is consistently growing, you’ll want to consider upgrading. You don’t want to run the risk of your website running slowly or, even worse, your server crashing because it can’t handle the traffic. If you anticipate an increase in visitors, do yourself a favor and switch to VPS.
The licensing differences between Microsoft and open source solutions extend to the other platforms & extensions used on web servers for cloud software development, web publishing, ecommerce, and data center management. The choice of proprietary vs. open source licensing will normally be a major factordetermining the use of Windows vs. Linux in VPS hosting. Open Source platforms offer free software and development tools without the cost of the Microsoft ecosystem, but businesses and publishers will still need to invest in experienced web development and programming teams to build custom solutions.
A2 Hosting offers two VPS options. They are both great options and very affordable. The entry level option is just $9.89 per month, and the Cloud VPS is $15. They are both great choices and will be able to meet all your needs for most entry level or mid-sized sites.
• Dynamic or Managed VPS Options
With VPS, you pay for what you use in the sense that you select a certain amount of bandwidth and storage to be allocated in advance. Scaling involves resizing your resources. But with cloud hosting, you pay for what you use in that your resource levels are not pre-determined, which means unpredictable pricing that tends to be more costly than VPS due to the overhead and complexity involved.
In answering this question, maybe it’s better to examine how VPS hosting fits in to the overall offerings of most hosting companies. Shared hosting is just that – your site is hosted on a machine with a bunch of other sites, and each of you share the same resources, including RAM, disk space, and CPU.  Your site uses what it needs if it’s available, and if it’s not – well, that’s the limitation of shared hosting. Likewise, a dedicated server is also self-explanatory –  your site is the only one hosted on server, and you have all the aforementioned resources available at your beck and call. Dedicated hosting is therefore  for those large sites with big databases and lots of traffic, whereas the limitations of shared hosting’s usually prevent it from housing that kind of site. Dedicated servers are also relatively expensive, while one can get a shared hosting plan for under $10 per month.