Wordpress is great! Even their own free service is fantastic. It's nearly identical to the self hosted one. It's really come a long way. If you're not super technical, signing up for a free account and then linking it to a domain is awesome!
I would say the only thing to watch out for (and this is from many, many years of blogging and trying nearly every platform out there) is if you're going to have an adult blog, sometimes it's better to pay and host it yourself and not use the free service. I've heard so many horror stories of people getting their blogs deleted because people complained about the content and if you're on someone else's space.. it can be tricky. At least in your own blog, you can be the boss