Question

What does "allow sites to check if you have payment methods saved" mean? Advantages and disadvantages?

Answer 1

There are basically two payment methods.

One is buying on credit by using a credit card. Other is by means of using a debit card or cash purchase.

Both of credit and debit card method of payments done online through internet websites and their system.

The protectivity can be checked about its safety only by the payment gateway company and also the owner of the site.

They are basically third parties.

So this may not be always advantageous for safety checking.

This transaction is done by highly encrypted protective methods.