All the Fonts you need and many other design elements, are available for a monthly subscription by subscribing to Envato Elements.
We do not sell fonts and, in most cases, do not know where to buy them.
FontDaily also includes Google Fonts, so you can easily compare and easily browse the best awesome fonts for free.
Serif as a body is doable, but also tricky.
Later on, feel free to create personal and commercial designs easily.
Please look at the readme-files in the archives or check the indicated author's website for details, and contact him if in doubt.