Since Bruce didn't have any use for coins and nothing better was being sold in the shop, he brought the magic rank potions that could restore his mana and ran toward the goblins territory while carrying a bunch of them. It would have been better to ask someone to drive him off there and carry even more potions, but Bruce didn't feel like asking anyone's favors.
Telling others what they should do to improve the camp was something, but telling others what to do when the final result would only benefit him wasn't something that he wanted.
"Anyway, I got fifty thousand spiritual coins in the last three days, even though I only used the temples…" Bruce thought when he arrived in the camp after using the portal. "The others had fought a lot… or maybe it is because of the larger number of survivors there now."