[X] Speak with Amina about what the House will be focusing on during your short vacation. She's probably not going to burn it down or rob you while you're away like the last secretary, but maybe what little useful input you have to offer will mean something.
[X] Head to the Adventurers Guild in town and arrange for an expedition with your new influx of funds. You're in a Mood and the only cure is gold, jewels and magic trinkets - and the Beyond is the best place to get all three of those quick.
[X] Go update Mother on recent events. Doing so voluntarily is as appealing as pulling teeth, but showing 'willingness' may leave her more inclined to be charitable. As to where to find her, well, you're certain you just have to follow the sounds of ultimate suffering.
[X] Buy a gift or two for the others back at the spire (and a few for you) before you go home. You're sure you can make... ffffairly good guesses as to what they would like, even at this early stage. Retail therapy still works when it's to impress someone else.