Things that are cheap and useful to buy in order to get quarters to include: 1. Bananas 2. Gum 3. Ramen Noodles 4. Salt
If you happen to be in a pinch say stuck with your wife at the mall and in desperate need of some quarters you can stop by the old arcade.
If you happen to be at work and you're wondering where to get quarters for the vending machine, simply ask a few co-workers.
If you’re lucky and you’ve got an account in the bank, you can simply ask for some of your own money to be withdrawn in coins.
A nearby grocery store is a good option too. Whether it’s Target, Walmart or any grocery store, head to the customer service desk when asking for change.