Most host oversell their product to attract newbie for their hosting plan, so beware of such host.
If you or your client is new to hosting then you should look for a host who can provide you 24x7 free technical support with affordable rates. Initially shared hosting will work for you but once your business get more ppopular and start getting huge traffic then you may think of VPS or semi-dedicated hosting it all depends on the traffic and your site.

Before signing you should also look for features of your chosen plan and should compare it with others.
If you are looking for cpanel hosting with excellent 24x7 support and 30 day's moneyback guarantee you can try service from the site in my sig.