I have tested the site this all seems feasible.
I am an experienced full stack Web developer and I will build your site using Laravel a PHP framework, jQuery and Bootstrap 4 to create a responsive refresh- less, clear and secure site to create the best user experience for your clients, I will design the website in figma for you so you can get an idea of what the site will look like before production starts, then with your input I will build the site and finally I will host and test the site for you and make any changes you after. I also design custom admin panels and can if you would like design the site using modern technologies like ajax and pusher to ensure that your site never needs to refresh and has a modern and clean feel.
I look forward to hearing from you and I am open to renegotiating the cost.