My expenses are 30% of my income and I use a credit card for everything. Bank automatic deduction at the end of the month. I have a ballpark expenses figure I p

My expenses are 30% of my income and I use a credit card for everything. Bank automatic deduction at the end of the month. I have a ballpark expenses figure I pay monthly. If I don't see a >10% increase in spending, I don't bother to check each item.