rear and front complete brake job $1500. HELP!

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Last month I had a complete rear brake job. COST me $711 I had the drums replaced a new spring kit and pads. Then this month my front brakes were locking up. I was then told I needed a complete front brake job. which included 2 new clipers, new hoses, pads and rotors turned. COST $855. IT COST ME $1500 FOR MY BRAKE JOB .THINK I GOT SCREWED."HELP"