This is our first vacuum sealer and the directions were clear and the machine easy to use.  There's a bit of a learning curve for making the bags the right size but I would expect that would be true for any product and we caught on pretty quickly.  As we head into the colder months we make a lot of soups and this worked great for sealing left overs for quick dinner nights.  Looking forward to trying it for summer (or really anytime) marinades.