I went have my car inspected and during the inspection, timing cover seal. on 2004 Toyota Camry

The mechanic discover that my timing cover seal is leaking. I will like to know how long can I wait to replace it and how much will it cost me including pars and labor?

Asked by for the 2004 Toyota Camry
the cost is approx 700.00 and you can repl after you see the leak getting worse. its really your call on when to repll now that u know its an issue