Recoat your hardwood floors before you wear any spot through to bare wood.
Use protective felt or soft pads on the bottom of all furniture and replace them regularly.
Place rugs and mats at all exterior entrances to capture abrasives and moisture.
Use stands under plants to allow air circulation; even a waterproof plant containers can attract condensation and leave a water stain.
Vacuum or dry dust-mop regularly to remove abrasives and dirt.
Use a cleaner specifically designed for hardwood floors and mop floors as needed.
Wipe up spills immediately to avoid water damage to floors.
Try to make it a habit to remove shoes when walking on your floors. The use of high heeled shoes and cleats can dent even the most dense hardwood floors.
Do not use oils, polish, or waxes.
Do not use abrasive cleaners.
Do not steam mop your floors
Do not drag any piece of furniture on your floors; always carry it.