The merchant with most gold is a Thieves Guild fence, Fathis Ules. He has 1500 Gold limit. However if you have a high merchantile skill, you can ''invest in stores'' and add +500 gold limit.
BTW, I didn't know that prices are valued in Euro. I thought the Empire uses Septims
This post has been edited by HyPN0: May 13 2006, 09:24 PM
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''Try not to become a man of success, but rather try to become a man of value.'' - Albert Einstein
''One of the penalties for refusing to participate in politics, is that you end up being governed by your inferiors.'' - Plato
Like Hypno says 1500 is max, although there is a trader with 2000 septims available if you get the Wizard Tower official mod. Not sure if she buys robes, though.
And like mentioned you can invest 500 if you're a master merchant, and at master all traders have 500 extra septims as well, so you could theoretically get 3000 gold for it, if that woman from the mod buys robes.