If I’m hiring a professional to paint the exterior of my home, should they spray or brush the paint?

My kitchen wall turned out too yellow and I need ideas how to tone it down.

I have a Red Cedar shingled house in severe need of a paint job.I live in the New England area. The last time the house was painted was with Benjamin Moore Latex paint. Three of the four sides that get the most sun exposure are peeled. What would be the