Have you asked for a raise or promotion?
Is working overtime particularly on holidays and weekends possible?
How much are you contributing to your job towards retirement and insurance. You can lower the deductibles and contributions.
Are you taking advantage of your job employee discounts on anything? I get like 15% off on the cost of cell phones, mortgage rate discount, transit check, flexible spending, free movie tickets and reduced ticket price to a lot of theme parks.
Subscribe to Pennyhoarder its free http://www.thepennyhoarder.com/
Sit down with your bank and choose accounts that have less fees or higher rates
Do you use coupons? You can download them on the pc or phone
Become one with the dollar store
Take advantage of freebies
Instead of a typical night out you may want to opt for hanging out in the park or square nearby. Many in the nation have free concerts or go to http://www.rentafriend.com. There are people who do not want to go to concerts alone or who come to a city by themselves and will pay you to eat with them. Its totally platonic.
Get those free membership cards from the drugstores
You can get paid to be a mystery shopper, blog, and earn a little extra cash
Do you have cable? If so why?
Do you have a gym membership? If so kill it and walk or jog more and do pushups at home. I know some people who instead of driving a mile to work will walk that mile.
Do you unplug your appliances when not using them? This cuts electric bill
Sell stuff you do not use anymore like books, electronics
Do you have an extra room? You can rent it out as air bnb if your lease lets you
Can you teach? There are sites that let you charge people a fee to take your course
https://teach.udemy.com/?ref=teach_header
There is a guy in the park around my way that charges people $25 each and shows them how to exercise. Another guy thru meetup charges $2 pp to show them off the beaten paths of the city that I live in.