Don't waste time by completely covering baseboard with several strips of tape. A single overhanging strip of wide tape will catch roller splatters just as the roof overhang on your house keeps rain off the siding. Use 1-1/2-in. tape for narrow baseboard, 2-in. tape for wider baseboard. Tape won't stay stuck to dusty surfaces, so wipe down all your trim before masking. To minimize paint seepage under the tape, press the tape down hard by running a flexible putty knife over it.
Before we bought this house I probably couldn't even tell you what to use caulking for, besides the tub! But after installing hundreds and hundreds of feet in new baseboards in trimwork I think I have become somewhat of a pro. Not only because I know how to do it, but because I have mastered a