Cloud computing and backup options have very minimal capital costs. It is also easy to install the system and get it up and running. Even if the system requires customization to make it compatible and tailored for the clients needs, it will not take months of waiting and laboring for the system to get operational. The applications used in cloud computing are normally integrated into the clients system beforehand so as to make it compatible and easy to configure. You can save your money in choosing some free cloud services. The off-site server could be proprietary, but the charging method would be the same. Cloud storage is basically just a storage solution on the internet. The service providers of this have a group of scalable servers and simple web interface that is used to store and retrieve data at any time, from any location on the internet. Do a little research online.