I'm not the first to say this, but I will repeat it...
Do you have a credit card or payment agreement on which you are paying the minimum?
How much did you pay last month?
So, you afforded that.
Set up a STANDING ORDER for that amount.
Cancel the direct debit.
Very soon you will be paying off CHUNKS of what you owe with little / no pain to you.
If you do it their way, they get their Ferrari
If you do it my way they get a Ka
No brainer