Entry doors can be beautified with the addition of glass. Front entry doors can retain their insulating quality if you install stained glass additions on top of the insulated glass. Removal of the raised wood panels should be done carefully. You don't want to cut into the flat surface areas of the door.
To eliminate standing water problems around your house your foundation must be waterproof. Foundation drainage codes require a natural slope away from the house for water flow. Drain pipes, downspouts or a sump pump also can all pipe water away from the house.
Door trim and window trim installation is not as easy as they show on t.v. Use correct tools, practice trimming out closet interiors, and above all learn patience.
Mold has been around for thousands of years and will be here long after we are gone. Black mold and other mold types currently plague many households due to a combination of factors. Mold prevention is not difficult, and if your house is in need of mold removal, you or your builder is/was asleep at the wheel.
Fires, tornadoes, rainstorms, floods, etc. can wipe out your home and cause enormous devastation. If this happens to you, you are in a state of shock. I know because I have been around homeowners who have had this kind of misfortune. You need to know what kind of insurance you have before a disaster strikes.
Building a vaulted ceiling can be accomplished by the DIY'r, however you must be a very good DIY'r. Check first with a structural engineer. You don't want your roof to collapse. Try to think of building for the future with added electrical wiring.