I have been selling on ebay for 10 years now. I have an ebay store with 600 items in it. Yes it is worth it. The basic store is $16 month with the yearly contract and includes 150 free listings. So its definetly worth it if you have over 100 items. The premium store is $40 month and includes 500 free listings. I still run auctions from time to time, but i prefer the 30 day auto renewing store listings. Its much less work than running 7 day auctions. I spend about 10 hours a week doing listings and shipping. I use a dymo 4x6 label printer, it really cuts shipping time down.