Cut open plastic packages with a can-opener
Some packages are easy to open, but others seem as if the only way to get them open is to burn them with a blowtorch. However, that would also destroy all of its contents, so it is imperative to find a way to get them apart without damaging the product. Of course, you can try with scissors, but you may spend hours trying and dull the blades.
Instead of ruining your scissors forever, grab a can opener from your kitchen drawer. It will cut cleanly through the plastic, no matter how thick or hard it is. No more wrangling sharp objects trying to saw through blister packages, this hack will open anything you need, while saving your fingers from cuts.