Create a home budjet where you write down all the costs of the month. See what you can cut and give yourself a budget for the next month. I discovered that i was spending around 5000 € in restaurants a year and more or less the same amount for entertainments (holidays, concerts, etc). When i decided to buy a house i reduced the budget where i could and started trackin everything. It's tough but it works!

when I buy groceries, first I go through my cookbooks, pick a few recipes I want to make... then out of those, make my grocery list of what I don't have on hand. That's all the food I buy and it saves me a ton of money rather than picking up everything that looks good, then sits on the shelf at home not being used for a while. Also, I never have to worry about what to cook again... just check my list and make one of those things. That's one of the things I do to save money.

Taking the largest denomination of loose change and chucking them into my cat bank everyday. At the end of they year, it comes close to $2K.

give it to grandma to hold. i do that and i save money. it helps because i keep what i do not need for bills for myself. (im also only 18 so no i am not a 35 year old fat man who lives at home.)

With my career well established, no longer in my early 20s, having lived for a year, in a country on the other side of the globe from "home", and being completely capable of being independent in all ways, continuing to live in my parents' home just because I can has definitely helped my bank account out. I do my own grocery shopping, pay my own bills, have completely paid off my own car, and give them a cheque every month. So, no, I don't live for free, but it's definitely cheaper than if I had an apartment. It allows me to go on major trips about two or three times a year. I've met people who seem to want me to be embarrassed about living at home still, but when I get along with my parents, they leave me alone (i.e. they don't treat me like a teenager) and it's definitely acceptable in our culture for children to live at home until they get married, I say why not? I'm also very aware of where my money goes. I go over my expenditures often throughout the month just to know that I'm not spending money on things I don't need. I also try to make wise, but conservative investment decisions, calling upon my financial adviser at times.

"Do I need it....no.....don't buy it."

Before spending I consider whether it is a need or just something I want, and make my decision based on priority. That helps more than anything I know.