The editor throws a lot of buttons and menus at you and it's a bit overwhelming for beginners.
There is a free plan available and paid plans start at $4.95/month. You need to pay $9.95 to get rid of the Yola branding in the footer and more importantly a mobile-ready website, which should really be included in every package by now.
Yola tries to upsell you at every corner and it's not always useful stuff either, like an SEO package that consists of a bunch of tools you could find for free with the help of Google.
The templates look two decades old, enough said.