Craigslist: In a free section of Craigslist, you will surely get used bricks for free presents in your near places.
Home Depot: At a Home Depot store near your, you will be able to receive free used bricks in their free sections present on the back side of the store.
Contractors: If you have contact with your local contractors they many times give an idea about used bricks which someone might be giving away.
Demolished Buildings: You can visit building nearby where you live which are demolished and take the used bricks for free.
Freecycle: These are stores present nearby to a society that give free used items here you can expect of getting bricks.
www.shoppok.com: By visiting their site, you can get to know about free building items.
Dump yards: Many people have dump yards where they keep extra used bricks you can ask their permission and take the bricks.
Demolition Sites: If you visit a demolition site you will surely get your required free used bricks.
These used bricks will help you in reducing the price of their project.
This is to happen as the clay is not to be mined, transported, or fired so the cost of brick reduces.
As the price of each brick reduces the overall cost will reduce.
Used Brick will have Weathering done
As the bricks are used they withstand the weathering effects so they can be believed that will be able to withstand the future effects as it is already tested.
While now it is not tested and time will tell whether they are proper for your project.
Environment Friendly
If you use used bricks then the harmful effects of producing new bricks will reduce.