You may have seen numerous wordpress services around all over the internet each offering to provide you with a certain level of wordpress installation and customization services, and this may lead you to question whether it is worth using such services. The answer would really depend upon your personal circumstances as you will have to decide whether you are doing this as a personal hobby or for business purposes.
For business clients, WordPress development services tend to come in quite handy as you may not simply require basic wordpress installation but you may also require your theme to be custom made as well as some specific plugins coded to help you improve the functionality of your website.
For private individuals, wordpress services may not be as important because most of their tasks can be easily completed by themselves. Moreover, if you are a personal blogger, you may not be able to afford paying wordpress service providers for your basic wordpress installations because you can also do that yourself.
If you lack the required skills, you can find numerous tutorials online which could help you with step by step instructions on going about completing your wordpress installation and customization. It would all depend upon your choices and your budget to determine the best course of action.