business education and experience can make a big difference in the success of opening a re-sale/thrift storefront. I would imagine someone who has run a restuarant, laundrymat, lawncare service, professional office, etc. would have an advantage in running a store over others who have never ran a business before. The relationship between fixed cost and gross sales is very important in determining if a storefront is feasible for your situation. I would think the higher the fixed operating cost you have on the business, the more gross sales you need to cover the operating costs, thus the more inventory you need, thus more storage units won. Even if you have low rent/overhead you still need to have a good marketing/advertising strategy to get customers in your doors. One of the benefits of having a storefront is people will bring you stuff to buy from them and you can pretty much set the price you want to pay for what they have and refuse all the junk. You can't do that bidding on storage units!