It's quite unpredictable so it's gonna be hard to tell whether you'll be making much in the long term. There are no guarantees or assurances that the value will go up or otherwise. Some people say it's about timing, proper timing when to get in and get out.
to get along well with timing i think you should make the unpredictable things become predictable, make hard things become easy. just wait for the right time to get in and get out happen to make your move, deny to predict it first can result in losing your chance and fail.
Long term goal without exchange bitcoin for Fiat is good way to make money according to my view. Because price will go for sure after halving..