Use items to buy potions, as well as gold. There should be plenty of loot that you can trade for potions. Gold is not the be-all and end-all of currency in this game. <img src="/ubbthreads/images/graemlins/winkwink.gif" alt="" />
The other problem with bug testing is that someone could play from beginning to end and still miss every bug. There are so many paths and combinations that they can't quash all of the bugs until they have a wider testing audience, which is, unfortunately, the customers.