I will install all thrivethemes plugins and themes with a website

Hey. I'm happy to offer you a website creation service with the high quality Thrivethemes theme builder, Architect page builder and of course Thriveleads opt-in forms managing solution.
With this gig you get the most modern interface for managing your Wordpress site.
As an agency license owner I provide all the Thrivethemes plugins and themes as the part of the deal. But it's only a start. With it you get a custom theme of any look (literally - you can provide your custom .psd design and get it as a theme for your website).
As an experienced web developer I can say that a theme built with the Thrivethemes theme builder got one profound advantage vs standard premium theme - it will never stop to be supported.
I've rebuilt dozens of sites wheres their confused owners were forced to find the same looking solution for their outdated stopped supported themes.
So it's just the right choice to build a theme from the start on a stable theme builder which you know will be updated over the years.
And of course Thrivethemes' orientation on a high converting solutions, their wide range of tools will take care of your future promotion. Also Thrive provide integration with the cache plug-in