For financing issues they could do it like guild wars: let the players have enough slots for characters to have fun (at least as much as races ingame) but give them the possibility to get more slots for some money. I know that many ppl dislike such ways of earning money, but Oort has no subscription fee (if you don’t want to have an own server), so it would be a good way I think (I bought over ten slots in my 4 years of gw game play 
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