Here are the ten most common things people said they do :

1.  Making sure you turn lights off to save on electricity.

2.  Putting on a sweater instead of turning up the heat.

3.  Using coupons and discount codes.

4.  Comparing prices online.

5.  Saving on gas by walking or riding a bike.

6.  Packing your lunch.

7.  Shopping around for utilities, like changing your internet provider to get a deal.

8.  Looking for buy-one-get-one deals at the store.

9.  Buying things used or refurbished.

10.  Skipping a gym membership and working out on your own. 

A few more that made the list:  Buying stuff in bulk, cutting your own hair, and growing your own fruits and vegetables.

@cole_dunbar