Tourmaster makes reasonable gear at inexpensive prices.
http://www.leatherup.com has lots of leather jackets which are reputedly stout and inexpensive (not many with armour though).
Similarly most HJC helmets test as good as the expensive ones. Look for CL-15 on discount for under $100.
You might want to not spend too much until you’re certain that motor cycles are for you. There are many beginner motorcycles for sale with only a hundred miles or so on the clock…