I got a question My brake on my 2000 Dodge Durango feel soft is that normal? I also have the front brake calip?

I got a question My brake on my 2000 Dodge Durango feel soft is that normal? I also have the front brake caliper bad the are noisy sometime? What happen If I dont replaced them witch I will not? Can they wait until 3 more years? This old cars always have issue!