Of course, if we're using this tavern for three society meetings per week (one each of sealsmith, hacker, and medic), that's going to get them a lot of business from society members. If we own the tavern, then that's a revenue stream we're profiting from.
Y'know, Mari might like having her own tavern/inn, and there's a kind of poetic symmetry to it.
The Hokage's clan could probably use a privately owned and managed place to put up visiting dignitaries. It would also have some synergy with the Akimichi and Yamanaka businesses.
The compound probably already has plenty of equipment suitable for fermentation and distillation. We need to figure out where that ominous gurgling noise is coming from anyway.
Again, an inn or tavern is right up Mari's (and Tsunade's) alley.
Again, Jiraiya keeping the hat is critical to not dying, which means that Mountain absolutely must be first priority.
Are we going to follow through with the inn and tavern idea? Retired Mari has all the necessary skills, it would be source of income intel and light labor employment for the incoming civilians, and Orochimaru's compound must have all the equipment for fermentation and distillation.
I don't expect this to be remembered this time either, but pretty much the ideal job for Mari would be running an inn/tavern as a front for a spy network and gossip collection. A tavern needs a brewery, and a winery, and the basement is full of distillation equipment.