Best thing is to find a trustworthy professional to guide you through it all. Sit and discuss your requirements and he/she can organize things for you in an agreeable.to you manner. Thinking that you can do your own planning while using services here and there is not the right way and will likely not get you anywhere.
Talk with some of them until you decide whixh one you feel more comfortable with.
Talk with some of them until you decide whixh one you feel more comfortable with.