I use a spreadsheet, two adjacent columns, one for incoming, one for spending. The column pair is titled as Gas, Registration, Repair. I look back at 1 year his

I use a spreadsheet, two adjacent columns, one for incoming, one for spending. The column pair is titled as Gas, Registration, Repair. I look back at 1 year history, average those per paycheck, put money in each column from each paycheck. I minus them when I spend. Each row starts with the dare of transaction.