Yes.
I think of them as "aisles" in my store.
No store, no aisles.
Don't open a Store until you can list more than the 250 Free Listings you have without it.
Until the restrictions on you as a new seller are removed,you will be paying $21.95 a month but not be allowed to list.
Do you have your Managed Payments account set up yet?
Without that, eBay cannot transfer money to your chequing account.