1. Plastic travel crate-I have two Petsmates here a medium (used for toy storage) and I think XL-it's the ones two of my dogs arrived in about a year ago.
I'd suggest the Best Pet soft sided play pen (its my fav) but if you have an anxious chewer it'll do you no good-if you want to look into it check out eBay and Amazon.
2. Mellow Mut try it it's natural, homeopathic, organic free range jerky. Can take the edge off of separation anxiety (wow I feel like their spokes/top sales woman with as much as I have suggested it on here) I used it for my anxious rescue...here's the link for it
MELLOW MUTŪ
3. It is for this very reason I do not use or like to see others using them personally.