Unlimited hosting for websites

Unlimited hosting for websites means the hosting means is nothing but hard disk for the website, we can purchase from the sellers who sell in the market now a days we have so many sellers in the market for very cheap and reasonable rates for hosting services for the website. What is the use for hosting means we can maintain database in our website we can  store data in the hosting. and we can use for  the business website and many more we get unlimited hosting we can purchase from the companies they sell the hosting for cheaper rates we can purchase for reasonable rates we can earn from advertisers. we can grow our business from this website with unlimited hosting. even some companies provide free hosting .we can use there services for free .