• Avoid showering or swimming with gold-plated jewelry: Water, especially chlorinated or saltwater, can damage the gold plating and cause it to wear off. 
  
• Dry thoroughly after washing hands: Ensure your jewelry is completely dry before storing or wearing it again. 

• Don't wear jewelry when using household cleaners: Many cleaning products contain chemicals that can damage the gold plating. 
  
• Be mindful of perfumes, lotions, and hairspray: These can react with the metal and cause the gold plating to tarnish or wear off. 

• Use a soft, lint-free cloth: Gently wipe away any dirt or grime after wearing your jewelry. 
  
• If cleaning is needed, use mild soap and warm water: Soak the jewelry in a bowl with mild soap and warm water for a few minutes, then gently clean with a soft-bristled brush if needed. 
  
• Dry thoroughly: Ensure your jewelry is completely dry before storing or wearing it again. 

• Store each piece separately: Keep gold-plated jewelry in a soft pouch, jewelry box, or separate from other jewelry to prevent scratches and tarnish.
  
• Keep in a cool, dry place: Avoid storing jewelry in direct sunlight or humid environments. 

Gold plated jewelry can last for several years with proper care, but the thin gold layer will eventually wear off or tarnish. Factors like frequency of wear, exposure to moisture, chemicals, and the quality of the plating itself affect the longevity of the gold plating. Generally, gold plated jewelry can last anywhere from a few months to several years with proper care.