Is there a home remedy for long term heartburn prevention?

Prevent/control GERD. Avoid foods & behavior that delay stomach emptying &/or relax the lower esophageal sphincter--spicy, greasy food, mints, alcohol, tobacco, chocolate, tomato-based products, caffeinated & fizzy drinks, eating before bedtime. Lose weight. Elevate head of bed on blocks. Use otc acid blockers for relief (h2's: tagamet, zantac, (ranitidine) pepcid; ppi's: prilosec, prevacid, zegerid). See a GI doctor if persistent.