Thank you all for the replies, I really appreciate it. I'm already working on a trial version on a VPS with just the essential plugins, the site is running fine. In fact the plugins have to be handpicked, I'm trying to reduce them as much as possible.
I've been using ElementorPro for two years now and have 7 sites running well during this period. These sites are all institutional with few page sessions. However, I took a robust project that will require a little more from the site. There are almost 7000 blog posts and another 150 pages, plus...