Originally Posted by King Mustard
When I do, it asks me to pay 150 potions again.
Yeah - each new worker costs 150 it looks like. And, I'm not sure, but you have to have two workers to build right? So you may need to buy 2 workers (for a total potion cost of 300) to actually get any use out of it. I haven't bought an extra worker so I'm really just guessing.