A pelican or skb style case, like what harbor freight is copying, works fine. Just leave the lid foam, lift the body foam out and stick it in a bag in the closet or garage if you ever decide to use the case for something else. Put your cigars in singles, 3s or 5 finger bags, toss a few empty bags in and call it good.
I did this for a long time with an old pelican case before getting tired of the bulky pelican case and switching to a Haliburton case and I'm still doing it with the Hali.
I'll send you a link for the best bags I've found. Tried many brands, only this one stands out to me.