Beginner looking to sub contract work out. Who do I call?

[Robert Obniski]

Since rehabbing and flipping my first property is my only priority at the time, I think I can save a buck and learn a lot if I find individual sub contractors for each task. 

For some of the tasks at hand I know the type of people, I need to hire. (flooring, plumbing, electrician)  But i'm not sure who i call for a few things

-Installing a new kitchen

-Patching drywall

-Tiling a bathroom

-Replacing/rehabbing exterior trim/windows

Those are the few things im not sure who to call or look for when trying to get a bid. If anything else comes to mind ill add it in but thats where I stand right now.