if you list 200 items in the month thats it , if you sell 20 items that month you can then put up 20 new items this month as the other 180 items are still there .anything over 200 there is a small fee for each item , i know with a 500 item store its 20cents each item over 500, as i average about 530 items each month

How can you find out? 

Where did you find this rule? They didn't inform me when I opened my store 

art, this link will explain the seller's limits.............

http://pages.ebay.com.au/help/sell/sellinglimits.html

Of course they won't tell you -they want your money

and you, maybe, should have done the research.

Hi Padi  -  Thanks for that link  

Spoiler

    I 'm still getting my head around the id name and selling books bit  
    Do you wear the books?

No worries about the link Stalks, glad to help out a fellow Muskie........

I agree with you that eBay make it hard for new sellers to find out about restrictions, they definitely should be more upfront with those terms and conditions, not hide them away where a new seller is very unlikely to come across them.

Books and other media are 5c per BIN listing with a store.

As a relatively new seller the OP should also be able to access the 3 free relists on 30 day listings (I can and I run about 550 sales per year). 

However, that won't necessarily make a store more viable if listing restrictions apply.