A pop up store is a wonderful way to get your feet wet to see if you would like to have a brick and mortar store! They are a ton of work, however, there is also great reward! Be ready to work long, hard hours! You think you know what that is like, but until you have done it 7 days a week, for 6-7 years you really don't know!
Best of luck as you pursue an exciting time in your business! Be sure to seek out help from your local business associations!