What are you going to do. Snap your fingers and a genie from Saudi Arabia will supply it? You Paulistas are fools. Oil come from hard work these days. It’s not a simple matter of just paying some Arab. World politics and armies factor in/
You are so spoiled living in the USA. You can buy things anytime you want here. The geo-politics of oil is much different. It involves armies, militaries, nukes, raw power and raw politics
Ever heard of the free market? Look into it.