repairs to be done by dealer on 1998 Infiniti I30

tech noted: oil pressure switch is leaking ($156), sway bar links are worn ($291),engine drive belts are cracked ($179),power steering &brake fluid flush ($280),engine coolant flush ($159),upper intake cleaning service($143), and my right side front air bag does not function/replace;repair estimate: around $2,000! Help!

Asked by for the 1998 Infiniti I30
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