Cloud storage is the service of keeping data to another server through online to make it available, reliable and redundant when it is required. Cloud hosting business is a big business through the world. Cloud storage is not a costly issue if you use it technically. Moreover data is more valuable than money so the owner of big data do not think of costing. You can go for cloud server of dedicated server. People frequently search free cloud hosting but nothing is free in the world. You can get free up to certain limit cloud hosting for certain time.