AT_HOME PRINTING: By far the most accessible, this is easiest option for tackling the project in smaller chunks on weeknights rather than spending hours in a studio or waiting at a print shop. However, you should test paper before buying a ton of it, printers can be especially finicky, and your can't exactly change the ink your printer uses. If your printer isn't higher end, you may have very limited paper options. Here's a little more on at_home printing.
Then order lots of samples, as you might totally change your mind when you see them, or suddenly be inspired by the best bits of different samples. The Wedding Crafter's 'Design your own wedding invitations kit' is a pack designed to give beginners chance to have a play with different card shapes, inserts, ribbons and embellishments that can be tailored to suit any wedding colour scheme.