I prewash FQs and larger. I serge the cut edges first - it keeps things a lot neater.
Wash on "express wash" with warm water and my normal detergent.
Tumble dry on medium until damp dry, then I hang dry on a drying rack for the last bit. This results in less wrinkling/creasing than letting the fabric dry all the way in the dryer, which makes pressing go quicker.