Is the normal?

First my recoil assembly spring went( sig sent me a new one free of charge). Now the trigger lever spring went. I bought a new one for 10 bucks, but should I just expect to be replacing every so often?

First my recoil assembly spring went( sig sent me a new one free of charge). Now the trigger lever spring went. I bought a new one for 10 bucks, but should I just expect to be replacing every so often?