Complaint Review: Firestone / First credit

I brought my car to Firestone on Pleasat hill rd at duluth location and they were late almost and hour to open the store.  first thing in the morning i  bring my own estimate done but they conclude that they have to make a profecionall one. the cost where almost $ 200 plus to repair it where almos a $1000. i left with a $100 bill from the tire plus account and a really high repair estimate and my estimate match the one they gave me. whata a rip off WaRO