Thanks for the input everyone!
I did a bunch more research since I posted my original post here.
1st off, I was looking at a small tent, around 48 x 24 inches. For whatever odd reason, I thought two plants would take up most of the room in there but it seems like I can fit a lot more in...
First off, first post here and I'm excited to try growing my own plants.
I live in southern Michigan, gets really really cold in the winter time. Can hit in the low single to negitives at any point. I can't grow outside due to my dog might eat the plants and I don't want the neighbors to know...