UK bargain store Poundland is often derided for the quality of its wares, and sometimes rightly so.
I can still gag at the mere memory of a tin of “tuna” that I bought there once. I strongly suspect that even a semi-feral cat that hadn’t eaten in months would have turned its nose up at it.
They are sometimes capable of surprising, though.
One of their branches in our town has a quite reasonable selection of nuts and seeds, and for your £1 you get a fair old amount of product.
You can’t be sure of the packet’s green credentials, of course, but if you’re trying to do Paleo on a tight budget, then definitely something to have a look at….