I need to fix a problem where my money resets when i continue to the next level

So i am having a problem where my money resets every time i restart or continue to the next level, and since i am trying to make an ads system i need to fix this issue, please help me i am desperate.

{ public static int Money; public int startMoney;

     public static int Lives;
     public int startLives;
 
     public static int rounds;
 
     void OnEnable()
     {
         Money = PlayerPrefs.GetInt("PlayerTotalMoney");
     }
 
     void Start()
     {
         Lives = startLives;
 
         Money = startMoney;
 
         rounds = 0;
     }
 
     void SaveCoins()
     {
         PlayerPrefs.SetInt("PlayerTotalMoney", Money);
         PlayerPrefs.Save();
         print(PlayerPrefs.GetInt("PlayerTotalMoney"));
     }
 }