Firstly, you can get a free bag for life, made from recycled plastic bottles. You can choose your colour. It is associated with Procter and Gamble, so as long as that doesn't bother you, go for it!
Secondly, free food! I got in the post today a box of lovely healthy food, all free! You can too, from graze.com. The code for getting it free is 2DK1RCP. You do have to sign up with payment details, but it's easy to cancel once you've got your freebie. However, I won't be cancelling for now at least, because yum! Full disclosure: if you sign up with that code, I get £1 off a snack box!
Thirdly, a directory of free wi-fi locations.
Fourthly, find your local freegle or freecycle group, and you can give stuff away for free as well as get it :)