I just used mine today to seal up a couple of bags of ham. I love the thing and it keeps things from becoming freezer burnt for at least a couple of years.
One tip I will give you is avoid name brand bags or rolls. You can get the same quality for a lot less. Here is a couple of examples.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1