How to receive paypal payments and how to take out the amount in cash ?

The money will go into your Paypal account. You know it's there when you sign into Paypal and look at your account balance and see the money there.

Withdraw money

Withdraw money from your Paypal account by clicking the "Cash Out" button. You can have money sent to you in the form of a check or a prepaid debit card, or can be transferred to your linked bank account.

How to buy things with paypal with PayPal balance without a credit card ?

Paypal wants the credit card to verify your identity and ensure that you are 18 years or more. Once the card is in it, will continue to use the balance to pay for the item.

I Would Like To Know How to Request Money through Paypal?

Request Money

• 1. Log in to your email account and enter the payer, plus the amount requested.
• 2. An email notice to the debtor to sign in or register and make a payment with a PayPal balance, bank transfer or credit card.
• 3. You will receive an email informing of payment in your PayPal account.

As step by step: 

1. Log in to your account.
2. Click the third tab at the top that says "Request Money".
3. Click on the Money button on the next page request (on the upper left corner).
4. complete information and click Send!.

When the Credit Card expires What happens to the Paypal Account?

Take it your way

• You will not be able to make any purchase with your credit card through PayPal. Once the expiration date of the new card to your PayPal account must be good to go. At least that was my experience

• Nothing. You only need to update the expiration date of the cards.

Do you Need some type of Bank account to have and Use a PayPal account ?

Yes, you need a bank account or credit card to attach to your PayPal and verify your identity. when you pay with PayPal. Paypal account receives money from the bank account.

Take it your way
 
You may be able to register and get away with not adding one for a short time, but are limited in the amount you will spend or receive in your account and then will stop and not let you do anything until you add an account bank or credit card.

And if you are under 18, do not bother trying to avoid PayPal TOS think you can fib on your birth year and then get a prepaid card to validate what you are. That does not work well.