Pro tricks for air-tight joints
DIY: How to Cut Trim Mouldings Perfectly - lots of carpentry tips & tricks on this post that will ensure that your trim cuts come together seamlessly - via Family Handyman
Pro tips for making perfect miters
In rooms with hard flooring surfaces, team base shoe molding with baseboards to cover gaps between the flooring and baseboard.
How to caulk, a quick and easy explanation of how to caulk moldings.
Tricks for getting tight-fitting joints on door and window casings and on base moldings.
Cutting crown molding can be frustrating. Using crown molding templates helps take the confusion out of cutting crown molding.
Purchase uDecor baseboard at http://www.udecor.com/Baseboard Table of Contents (click "Show More" to see full contents) 0:00 - Introduction 2:04 - Inside 90 ...
DIY: Interior Trim Work Basics - great info + videos on basic carpentry cuts.
Learn how to install quarter round or shoe molding to cover gaps between your baseboard and flooring. Also, learn how to cut a neat finishing return.