Starting a goods story can be super rough because you never know how it's gonna end, some good ways to start it is to build up momentum, try not to rush the beginning, start off slow then slowly get more interesting, don't get to ahead of your reader, give off a little of suspense, don't do too much dialogue, if you think you need tho change something keep that thought, and when you get close to the end go back to the begging and revise your story to make it satisfying.