What plugins should I have?

It really comes down to your overall preference, since your new to building only choose a selection of different variety of plugins that will help you along the progress don’t include plugins that don’t help you create things smooth and easy "use plugins if there needed. You’ll need to check different plugins, and if there’s something you like about or the shortcuts it features use it. SBS is a decent plugin to use it has a lot of different features including sizing or resizing objects.

You should definitely try a handful of plugins don’t go overboard with plugins find the ones that are most needed. Use plugins if there needed i would recommend checking out this thread since it provides different variety of plugins and peoples opinions about those plugins it might be something you should take a look at.