If you have never activated your campus cash account, all you need to do is make a minimum deposit of $5.00. Visit the CampusCash website for more info. Login with your mysandiego credentials and select Make a Deposit. Enter in your credit card information and even save it for future use. Within minutes you can use your ID everywhere CampusCash is accepted. Purchases are deducted from your account, and your remaining balance is instantly displayed. CampusCash is the safest, fastest, and easiest way to obtain the things you need.