Some popular hosting providers are using the price difference strategy to attract those who are intending to buy a web hosting plan. Most of their package price looks low but some hidden fee exists and your web hosting will be overpriced when renewed.

The price for renewal is higher than the sign-up price (new user)
Most of the popular hosting providers published plans at a really low price, but there is no option but to engage for a long-term contract, which means that this price only happens if you prepay for 2,3 years or even longer. Although looking for the cheapest price plans is a way you can potentially save a lot of money, the point is you don’t know how good this hosting provider is. When your site is stuck with them for several years but you’ve found other plans that suit your needs, you will have to wait till the contract ends or migrate with no refund. There is no option for signing up for just 1 month, most basic plans offer at least 1 year or more. When you renew, you’re going to pay more, the billing might jump by more than double what you paid for the first sign-up. It is suggested that you check the price in context and have a price comparison before purchase.

Plan description
Many web hosting may seem to offer similar services with variations in price. But after comparing, you’ll see significant differences. Not all hosting providers offer the same levels of service such as storage, features, stability, scalability, security, and support. Most hosting providers these days prefer using fancy words like “unlimited” and “unmetered” to descript the disk space, bandwidth, parked domain, subdomain, email of the packages, to mislead customers. Since these unlimited values are actually limited in the terms of service, you might receive an email asking you to reduce usage if you exceed the real usage limit. If your site becomes a viral hit, you're probably going to have to pay more to keep your site running.

Advice for you is looking for a reliable hosting provider that offers the price remains unchanged for both new registration and renewal, monthly payment is available, of course, new users always will have some discount, but you should do the renewal price comparison with others, that will let you know which one is cheaper. So carefully choose the right one if you don’t want to be charged more than you expect then.