Credit card is good to have although we all cant afford a credit card or banks wont give credit card to all his customers.
The simple and worry free use of credit card is very easy, you just have to understand few things like. 1. your billing date 2. your last payment date 3. your credit card charges 4. your banks & cards terms and conditions.
Once we have understand the full calculation of credit card there in no others easiest way to spend your money . also you will get cashback reward points will all your credit card spends ( depends on your card category)
Just pay all your bills, utilities and shopping & all other thing and pay the bill within your due date after your credit card bill has been generated its that simple. no extra charges no hidden costs.