Walmart Supercenter Walmart Automotive did not honor road hazard warranty on tires. Tifton Georgia

I informed Felicia Spell, co-manager and Carl Leyse, Automotive Manager of Walmart in Tifton, Ga that I bought the road hazard insurance on all four of my tires. I bought the tires from Walmart and has only had them for 8 months. I got the two from tires replace and had to pay $258.58. Carl and Felicia claims that I had wear and tear on my tires. I told them it was the rough rumble strips in the road where they recently did road construction in the road at intersection that I had to cross 5 days a week that did the damage to the tires and not wear and tear. Walmart in Tifton is a rip off. They don't honor their road hazard warranties. Don't buy tires from them.