Famous Adventurer Endorsements

Whether an adventurer is skirting the edge of the law or famous for discovering new cultures or defeating a Sathar horde, advertisers might be clamouring to get the characters' endorsements. This would be a great way for them to earn some cash during their travel between the stars. For the days and weeks of travel, they could be making product endorsements and sending them via subspace.<br /><br />Even characters who aren't yet famous could make &quot;money from home&quot; by making layman endorsements and working other types of online jobs between the stars via subspace. How would such a mechanic be handled to earn the characters a little extra cash on their way between assignments?