Can you get along in your home shop without a drill press? Probably - for awhile - but you'll need one eventually if you're hoping to do serious work in most media. You'll find a range of ideas in these videos to help you decide on your build details.
Homemade Drill Press by Marc Ramsey
Homemade - How to build a "Drill Press"! by izzy swan
Homemade Drill Press Table by Jay Bates
Homemade drill press table with T-Style fence and dust collection by Stumpy Nubs
DIY PCB DRILL PRESS by alex panzer
Homemade Drill Press by GIGOLnet