Your tiny problem is when you open a bag of chip, then you cannot finish it. You have to find rubber band or use other materials to seal it. Sometimes; if you do not seal it well, your chips will not be crisped. This tiny problem will solve easily, check out the video to seal your bag of chips without using a bag clip.
It looks so easy but I dunno how it really works until I see this video. No worry if you cannot finish your chip, you can now use this tactics to seal your bag of chip.