Example:
Light Bill
Car Insurance
etc.

For average middle income people:
Mortgage
House insurance
Car Payment
Car Insurance
Utilities (water, gas, electric, oil)
Association fee (if you live in an association area)
Groceries
Gasoline for the vehicles
Oil Changes for the vehicles
Medical/dental/hospital bills
Pharmacy drugs
OTC drugs
Health insurance
Credit cards
Bank loans (home equity)
Internet bill
Phone bill
Cable/dish
Musical lessons
Church donations
Charity donations
Alcohol (if you drink - beer, wine, hard liquor)
Cigarettes/cigars/chewing tobacco, etc. (if you smoke)
Gardening supplies (grass/vegetable seeds, fertilizer, etc)
Snow removal (hiring a service or buying a snow blower)
Miscellaneous supplies for printers
Computer servicing/updates/software/hardware
TAXES (paycheck taxes, municipal taxes, state taxes)
Property tax
Clothes/shoes
Vacation (if you can afford it)
School supplies
Student loans
Car repairs
Therapy for special needs children not covered by insurance

Gee, I don't think I left anything out - at least I hope not!

Source(s):
Personal experience - living it!