Typical age to start waxing/amount of pain?

Hi I’m 17 and I’ve been thinking out getting a Brazilian wax. I’m a swimmer/lifeguard so I sucks to have to shave all the time.

So I’ve gotten my eyebrows, upper lip, and armpits waxed and none of those hurt too bad. I also got laser for my underarms which is like a hot rubber band slapping your skin (ouch). How much worse would a Brazilian be?