eBay offers 5 store levels from free to $299.95/month. Each level provides more free listings and lower FVF rates.
Store levels: No Store (250 free), Starter $4.95 (250 free), Basic $21.95 (1,000 free), Premium $59.95 (10,000 free), Anchor $299.95 (25,000 free).
If you list 50+ items/month, a Basic Store ($21.95) typically saves money through lower FVF and more free listings.