If you want to get turned down in your application then by all means include the bare minimum. If you’re serious about the process then include whatever you think would convince someone you’re serious.
There are other resources where you can find outlet, look up internations.org for a local branch near you. Also just do some reading about the process and things to think about as a new emigrant.
This process is not going to be fun then, taking the K1 route, since you won’t be able to work for months when you come over here, and you have to apply for three more things when you get here.