Starting my btc jurney

Hey boys its my first post

Just turned 22 and im making 4.5k a month and i wanna start investing in btc (the long run 10+ years)

Heard of btc in 2022 never got in bc i was dead broke with less than 2$ to my

I have buildt a emergencyfund to keep me goin for 3 months if things Gets bad so i dont have to sell anything

Best place to buy? How much should i invest at the time? and general tip to a newbie