We get the giant pork shoulders from Costco and cut them in to meal sized chunks and vacuum seal them along with lots of other stuff. I cut cardboard boxes to fit inside the chest freezer to partition meat and frozen fruits separately. Makes it easier to pull the box out and get what you need as well otherwise sometimes things can settle as one giant frozen block. Best deal on vacuum bags I’ve found is Amazon but be sure to read reviews. We got a box of them before that were so thick that the machine had a hard time sealing it.