as rsot states spreading accross many stealth accounts is the key to overcoming these limits.
However make sure if your listing similar or the same product accross the accounts you use different pictures, titles and item descriptions slightly to make sure you dont 'link' the accounts.
Also, for anyone selling on an eBay different to the country they are actually based in, do as much research on that specific eBay as you can, or you will keep getting suprised :D
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