In a fairly short period of time I think that's not an easy thing.
But possibly - like Sander Wuyts in january 2018 get 1 BTC per 1 month (see details here https://twitter.com/s_wuyts )

There are many ways to get bitcoin can by mining, trading or solving a puzzle, e.g. you can get 4,87 BTC quickly here https://twitter.com/coin_artist/status/583979278238359552