Sandor's wolf pads around the bugbears, initiating a flank. 300 gp is a ridiculous price, but maybe these creatures think we are dumb enough to pay it, he thinks. The lizardman reaches into his belt pouch with his thick clawed figers, and removes three pearls. "Very well. We will give you these three pearls, if you take us there now. They are worth at least a hundred each." He says this confidently, shifting his spear back into his right hand as he does so.
The three pearls glow in the dim light, and he approaches the bugbears. "I'll give you one now, two when we arrive safely." And he reaches out to offer a pearl to the lead bugbear.
[OOC: Sandor is bluffing--the pearls are worth 10gp each--but I'm hoping that the bugbears aren't great at reading lizardfolk expressions, and that they are not familiar with freshwater pearls, and that they don't know enough to distinguish regular from irregular pearls, and that they're not too bright. If he is wrong, though, he is prepared to fight.]