A Direct Debit guarantee is a form of protection offered by the institution that the Direct Debit is accepted by. All banks and building societies that accept Direct Debits offer this protection.

nothing

It depends on the direct debit provider whether the setup will be free or they would ask for charges. Some providers setup the direct debit software absolutely free with zero monthly charges too. I am not aware of other providers but my Gym centre uses Accesspay as a direct debit provider. Their direct debit software also offers you a reporting and dashboarding feature that will immediately alert you of any problems in collections.

Yes.

A debit card is not related to a direct debit.

A direct debit is your authorisation to your bank to pay whatever amount is requested by whomever the direct debit is in favour of.... a utility company, a service provider or other business.... on a regular basis, usually monthly or yearly.

A debit card is a way of paying for individual transactions, on the spot, without using cash. The total can be deducted from your account when the card is processed by the trader.

It's a Direct Debit to Cardif Pinnacle Insurance probably Mortgage payment protection policy