There are also options on some accounts for multiple domains in one account and they are usually cheaper than a reseller account. You will not get as much flexibility with email/subdomains, etc with a multidomain account.
Originally posted by Allstar instead of 3-5 individual accounts
You really should also consider though, whether you want to put a few sites alongside a large number of other sites in a normal reseller environment. Not to say that you'd experience any problems, but the potential is greatly increased for you to do so.
What I suggest is, post a new thread in hosting request forum. There you can mention all the features you, including the number of domains or subdomains. I am sure you will get alot of responses, but onething you might want to check in this forum is, starting a new post, letting people know which offer and host to choose from, regarding liability and speed...etc.