Start replacing items you normally buy with these money-saving options and notice the difference at checkout.
Inexpensive weed killer
Not that: Weed killer
Savings: about $11
Why? Go green and use vinegar instead of expensive (and toxic) chemicals. Pour vinegar into a large spray bottle made for gardening (about $5; at Home Depot) and squirt it on stubborn weeds. After a few hours in the sun, they should die.