When you pick up a chisel or gouge for use, they will likely be in your hands for more than a few moments, so comfort and control in the form of the handle shape and blade length should be carefully considered for the task-at-hand.
Hammers, mallets and the axe are referred to as tools of percussion allowing you to focus intense energy in very specific ways.
Essentially a woodworking plane is a wide, flat chisel suspended in a wooden or now almost exclusively, metal jig. I have provided examples of planes that have worked well in my shop and some that don't see very much use but are interesting.
A good quality crosscut, tenon and dovetail saw are useful initial tools. Saws can be designed and sharpened to cut efficiently along or across a board with a varying number of teeth.
Your first purchases should be accurate measuring tools. If you plan to build furniture or cabinets and would rather not spend your time buying and re-cutting expensive materials, acquiring the best quality instruments within your each is a priority.
Whether you buy new or used tools, what I would like to emphasize here is your comfort; all other things being (mostly) equal, I would opt for the tool that fit my hand size and stature. Comfort promotes control and as a result, safety and improvement in your ability to attain accuracy in your work.