Heres a quick for you guys Occasionally we install flooring after trim, so in this case we use a shoe molding or Colonial quarter round/panel moulding to cover the expansion gap for laminate and engineered flooring.
Stumped on how transition between your baseboards and door trim? Add a plinth block! This simple architectural detail is easy to install and will totally change the look of your doors. - The Handyman's Daughter
Before and After: An Incredibly Crisp California Redesign