We have an in-depth article about cellaring wines at home.
You don’t even need wine racks for storing bottles horizontally: In most areas, humidity is high enough that it would take years for a cork to dry out. Plus, many producers use screwcaps and other alternative closures (like glass caps) that will never lose their effectiveness. Want more info on storing wine? We have an in-depth article about cellaring wines at home. Just remember that sommeliers don’t try to turn wine cellars into wine-tasting rooms.