Either way it may be time to tear up the carpet and restore the hardwood flooring.
Tearing up hardwood floors.
There is a far faster far easier way to remove hardwood flooring that allows one to recover nearly 90 of the floorboards in perfectly re installable condition with no need to remove nails or staples from either the substrate or the recovered floorboards it is a shame that the beautiful wood from the floor was destroyed and promoted in the article as the easiest fastest way.
Be aware the project generates quite a bit of dust and could spread out over two or three days but your ultimate reward will be a great looking wood floor that enhances the beauty of your home.
How to rip up wood floors.