Yes, you'll be able to pack more efficiently. No, it will not keep your clothes from getting wrinkled.

actually those vacuum bags work really well for saving space in luggage. they don't prevent wrinkles either>> ^ReverendTed:

Yes, you'll be able to pack more efficiently. No, it will not keep your clothes from getting wrinkled.

rolling your clothes into your luggage does prevent wrinkles. Generally you want to first fold the article in half then roll. The idea is to keep tension so roll tight. This will allow the article of clothing to stay slightly stretched while you travel. When you get to your destination unpack and when you unroll you will see that the clothes sit back into their relaxed form without wrinkles.

Wait, he never thought of putting a youtube video in a different window whilst looking at other windows?

.... Wait, watching a youtube video is a life hack?

If you don't feel like driving a knife through a reusable lid you can also just tap the edge of the lid vigorously with the handle of a knife or a spoon

I'm sorry but I can't see myself packing my own stinky shoes into a ziploc bag and placing it into the freezer...

Hope you like eating entire jars of pickles now that you've put a giant gash in the lid.