That could be considered sinful in that you are giving away money that should go to paying the debters you have borrowed from.
Tithing has to do with faith
it is exercising that part of us that likes to take the road of least resistant.
....and also keep one from getting into things you should not!
Such as trying to keep up with the Jones and not living with one means!
There was a generation that use to save for what they wanted and the appreciation was greater.
Credit comes from the tempter an is hard to control.
you say you might be sinful to tithing first but you would be surprised how quicky you will be able to clear those bills up when you harness your spending!
Your church must have system where you pay tithing and than can get food to hold you over so you can get out of debt. (bondage)
No, I paid the debtors and tithed at the same time. The miracle was that I always had money left over to pay my bills down.