...Earn it
Why? Because buying Bitcoin is the most low effort, low IQ way to "use" it. And it doesent do anything except pump the price, and thats fun for a moment, but there will be a correction and a hangover. All buying bitcoin does is make the exchanges rich, and make BTC look like a pump and dump scheme. Dont do it?
Earn Bitcoin insted, and yes, there is not alot of ways to make any signifcant amount of bitcoin. But maybe there is a reason for that. Stay humble!
PS. This is my opinion and even tho i am acting as if its fact, its just to keep it short. Its just my opinion. Thanks for reading. Have a good day.