The carpet installer can run the tack strip up to the trim then roll excess carpet under the trim.
Install floor molding before carpet.
When installing baseboards before carpet ask the installer how large of a gap to leave between the floor and the trim e g.
When you opt to install the baseboards first set them 1 4 inch above the.
Lengths of scrap baseboard and put 45 degree angles on the ends.
Most standard baseboards these days are 3 1 4 in.
For most installers this is not a problem and can be done easily.
If you see some cut a few braces from 4 to 6 in.
Thick which makes them pretty doggone flexible.
Pull away the old trim with a pry bar.
Drill 1 16 inch holes every 16 inches through the baseboard angled downward toward the wall plate.
If the molding is slightly long trim it at angled 1 16 inch increments from the end to fit the wall.
Scrape and sand off any remaining glue or caulk left on the wall.
Hammer tack nails through these holes into the wall plate.
Remove any nails that remain in the drywall.
First hold the base molding against the wall after you cut it to length and look for gaps.
Cut away the old paint and caulk along the top edge of the trim.
However consult with your installer to be.
Fit the molding to the wall flush against the carpet.