Moodle is primarily built for a function, than looks, and I remember for almost a decade default themes worked well with it, only issue with users pointing to looks of the moodle.
That started getting addressed with introduction of Essential theme with sliders and social icons, since then the race to change the moodle look exploded with multitude of themes with all that fancy sliders and course carousels exploded with further option to develop, hence Moodle Themes work just like wordpress themes where you dont immediately get out of the box what you actually see in theme preview - it all depends on the designer what bling bling factor s/he can bring to the table.
as for static links, there is plug-in (static_pages) constantly updated with every new moodle version, and it works absolutely perfect for adding static pages.
And then there are payment plug-ins available supporting multiple payment options
So you'll be looking into plug-in repository, as when I started using moodle, there were less than a 100 plug-ins, as of today its touching 1700's - all adding to looks and functionality of the moodle, Because CMS like wordpress are as well used for portfolio or as product brochure, so if you want to present your courses with highest possible eye candy and needs educational elements of a moodle then there are bridges available to link the two as well, where you can make use of frontal looks and payment systems integration of wordpress and core learning functionality of moodle.
