Lack of knowledge:
A huge number of people are not able to grab the best webhosting services merely because they are not aware of them. If you won't know the quality about the quality of your web host provider then how would you be able to categorize it as good, better or best? So, prior knowledge is crucial before choosing any such services.
Knowing the needs of your web content:
Something that is best for you might not be as good for someone else. In the same way web hosting needs are different for different websites. In order to pick up the best hosting services, know your personalized needs and requirements and keep them in mind while going through web host websites.
Prioritizing:
Do you really need to have a best or cheap web hosting company? Or are you fine with the mere presence of your online presence regardless of what sort of hosting services are making that possible. This is a question which will actually determine your hosting needs and at the same time help you out in finding what you want. Although best web hosting services can always be achieved without making any compromises or losing anything but still, for some, the budget and the need itself can be a point of concern. So always make up your mind for that. You might be required to prioritize your needs and requirements before finalizing anything since best web hosting usually requires more money, or a team of professionals or your own sound knowledge in the subject again depending upon your website needs.